Research Publication Archive
2023
Eaton-Magaña S.C., Breeding C.M, Bassoo R. (2023). Low-temperature annealing and kinetics of radiation stains in natural diamond. Diamond and Related Materials, 109649. Low-temperature annealing and kinetics of radiation stains in natural diamond - ScienceDirect
Farfan G. A., Bullock E.S., Zhou C., Valley J. W. (2023). Geochemical and mineralogical proxies beyond temperature: Autumn seasons trapped in freshwater nacre. Geochimica et Cosmochimica Acta, Volume 355, 15 August 2023, Pages 126-137. Geochemical and mineralogical proxies beyond temperature: autumn seasons trapped in freshwater nacre – ScienceDirect
Hoare, B.C., Arden, S.E., & O’Sullivan, G.J. (2023). U–Pb dating of gem-quality vanadium-bearing grossular garnet (var. tsavorite) from north-eastern Tanzania. Mineralium Deposita, 1-12.
Jin S., Palke A.C., Renfro N.D. & Sun, Z. (2023). Special Colors and Optical Effects of Oregon Sunstone: Absorption, Scattering, Pleochroism and Color-Zoning. Gems & Gemology, 59(3), 298-322
Johnson, P., Moe, K.S., Persaud, S., Odake, S., Kazuchits, N.M., Zaitsev, A.M. (2023). Spectroscopic characterization of yellow gem quality CVD diamond. Diamond and Related Materials, Volume 140, Part B Science Direct
Jollands, M.C., Jin, S., Curti, M., Guillaumet, M., Béneut, K., Giura, P., & Balan, E. (2023). Vibrational properties of OH groups associated with divalent cations in corundum (α-Al 2 O 3). European Journal of Mineralogy, 35(5), 873-890.
Jollands M, Ludlam A, Palke AC, Vertriest W, Jin S, Cevallos P, Arden S, Myagkaya E, D’Haenens-Johannson U, Weeramongkhonlert V, Sun Z. (2023). COLOR MODIFICATION OF SPINEL BY NICKEL DIFFUSION: A NEW TREATMENT. Gems & Gemology, 59(2)
Jollands, M. C., Dohmen, R., & Padrón-Navarta, J. A. (2023). Hide and Seek—Trace Element Incorporation and Diffusion in Olivine. Elements, 19(3), 144-150.
Lai MY, Stachel T, Stern RA, Li K, Pearson DG, Harris JW (2023). Nature of slab-mantle interactions recorded by coupled δ13C–δ15N–δ18O signatures and elemental compositions of Koidu diamonds and their inclusions. Geochimica et Cosmochimica Acta, 347:16-27. https://doi.org/10.1016/j.gca.2022.02.020
O’Sullivan, G.J., Hoare, B.C., Mark, C., Drakou, F. and Tomlinson, E.L. (2023). Uranium–lead geochronology applied to pyrope garnet with very low concentrations of uranium. Geological Magazine, pp.1-10. Cambridge Core
Nestola, F., Pamato, M. G., Novella, D., Wang, Y., Qu, K., Smith, E. M. (2023) Elastic geobarometry yielding a faithful sublithospheric depth for a ferropericlase inclusion in diamond. Lithos, 454-455:107265.
Smith, E.M., Hardman, M.F. (2023) Eclogite: Diamond-Encrusted Ancient Seafloor. Gems & Gemology, 59(3): 380-386.
Smith, E.M. (2023) Plastic Deformation: How and Why Are Most Diamonds Slightly Distorted? Gems & Gemology, 59(1):94-100.
Regier, M.E., Smit, K.V., Chalk T.B., Stachel T., Stern R.A., Smith E.M., Foster G.L., Bussweiler Y., DeBuhr C., Burnham A.D., Harris J.W., Pearson, D.G. (2023). Boron isotopes in blue diamond record seawater-derived fluids in the lower mantle. Earth and Planetary Science Letters, Vol. 602, pp. 117923. https://doi.org/10.1016/j.epsl.2022.117923
Tsung-Han Tsai (2023). Imaging-assisted Raman and photoluminescence spectroscopy for diamond jewelry identification and evaluation," Appl. Opt. 62, 2587-2594. https://doi.org/10.1364/AO.484366
Tsung-Han Tsai and Wenxing Xu (2023). Rapid gemstone mineral identification using portable Raman spectroscopy, Journal of Raman Spectroscopy. https://doi.org/10.1002/jrs.6518
Shea, T., Ruth, D., Jollands, M., Ohtaki, K., Ishii, H., & Bradley, J. (2023). The presence of silicate melt may enhance rates of cation diffusion in olivine. Earth and Planetary Science Letters, 621, 118370.
Jollands, M. C. (2023). Diffusion of hydroxylated Si vacancies in olivine, and its relevance to Si diffusion. Geochemistry, Geophysics, Geosystems, 24(5), e2022GC010731.
Jollands, M. C., Bloch, E. M., Van Orman, J. A., Hermann, J., & O'Neill, H. S. C. (2023). Scandium diffusion in forsterite: concentration dependence, inter-site reactions and the effect of trivalent cations on Fe diffusion. Physics of the earth and planetary interiors, 334, 106954.
Tsai T.H, (2023). Imaging-assisted Raman and photoluminescence spectroscopy for diamond jewelry identification and evaluation," Appl. Opt. 62, 2587-2594. https://doi.org/10.1364/AO.484366
Tsai T.H and Wenxing Xu (2023). Rapid gemstone mineral identification using portable Raman spectroscopy, Journal of Raman Spectroscopy. https://doi.org/10.1002/jrs.6518
Tsai,T.H, D’Haenens-Johansson U. F. S. and Wang Z (2023) "Photochromic gemstone analysis using in situ absorption spectroscopy", Proc. SPIE 12665, Novel Optical Systems, Methods, and Applications XXVI, 126650J, https://doi.org/10.1117/12.2672807
Xu, Wenxing, Tsai T.H, and Palke A, (2023). Study of 405 nm Laser-Induced Time-Resolved Photoluminescence Spectroscopy on Spinel and Alexandrite, Minerals 2023, 13(3), 419. https://doi.org/10.3390/min13030419
Wang Z, Tsai T.H, and Wang W (2023) "Excimer laser based photoluminescence device for diamond identification", Proc. SPIE 12665, Novel Optical Systems, Methods, and Applications XXVI, 126650M (2 October 2023); https://doi.org/10.1117/12.2672542
Welsch, B., First, E. C., Ruprecht, P., & Jollands, M. C. (2023). Olivine—the little green science machine. Elements, 19(3), 138-143.
2022
Areeya M. Update on pearl identification and research. GIA seminar at Srinakharinwirot University, Gems and Jewelry Program, College of Creative Industry (CCI), March 15, 2023.
Bassoo R., Befus K. (2022). A look at diamonds and diamond mining in Guyana. Gems & Gemology, Vol. 58, No. 2, pp. 138–155. http://dx.doi.org/10.5741/GEMS.58.2.138
Bloch E.M., Jollands M.C., Tollan P., Plane F., Bouvier A.S., Hervig R., Berry A.J., Zaubitzer C., Escrig S., Müntener O., Ibañez-Mejia M., Alleon J., Meibom A., Baumgartner L.P., Marin-Carbonne J., Newville M. (2022). Diffusion anisotropy of Ti in zircon and implications for Ti-in zircon thermometry. Earth and Planetary Science Letters, Vol. 578, Article 117317. https://doi.org/10.1016/j.epsl.2021.117317
Breeze B.G., Meara C.J., Wu X.X., Michaels C.P., Gupta R., Diggle P.L., Dale M.W., Cann B.L., Ardon T., D’Haenens-Johansson U.F.S., Friel I., Rayson M.J., Briddon P.R., Goss J.P., Newton M.E., Green B.L. (2022). Doubly charged silicon vacancy center, Si-N complexes, and photochromism in N and Si doped diamond. Physical Review B, Vol. 101, No. 18, Art. 184115. https://journals.aps.org/prb/abstract/10.1103/PhysRevB.101.184115
Breeze B.G., Meara C.J., Wu X.X., Michaels C.P., Gupta R., Diggle P.L., Dale M.W., Cann B.L., Ardon T., D’Haenens-Johansson U.F.S., Friel I., Rayson M.J., Briddon P.R., Goss J.P., Newton M.E., Green B.L. (2022). Doubly charged silicon vacancy center, Si-N complexes, and photochromism in N and Si doped diamond. Physical Review B, Vol. 101, No. 18, Art. 184115. https://journals.aps.org/prb/abstract/10.1103/PhysRevB.101.184115
Cheryl (Ying Wai) Au. Queen of gems-fascinating pearls, GIA 7 Pearl Value Factors and pearl services. Japan Jewelry Live Streamers Association webinar, December 21, 2022.
Cheryl (Ying Wai) Au. Queen of gems-fascinating pearls and shells. Shenzhen Jewelry Platform webinar, September 26, 2022.
Cheryl (Ying Wai) Au. The timeless beauty of pearls-Introduction of GIA 7 Pearl Value Factors. HKTDC Hong Kong International Jewellery Show-The Helena May (Private Seminar), Hong Kong Convention and Exhibition Centre, July 29, 2022.
Cheryl (Ying Wai) Au. The timeless beauty of pearls-Introduction of GIA 7 Pearl Value Factors. HKTDC Hong Kong International Jewellery Show-Chamber of Commerce, Women Executive Club (Private Seminar), Hong Kong Convention and Exhibition Centre, July 29, 2022.
D’Haenens-Johansson U.F.S., Butler J.E., Katrusha A.N. (2022). Synthesis of diamonds and their identification. Reviews in Mineralogy and Geochemistry, Vol. 88, No. 1, pp. 689–753. https://doi.org/10.2138/rmg.2022.88.13
Gogáin, A.Ó., O'Sullivan, G., Clements, T., Hoare, B.C., Murray, J. and Wyse Jackson, P.N. (2022). Metamorphism as the cause of bone alteration in the Jarrow assemblage (Langsettian, Pennsylvanian) of Ireland. Palaeontology, 65(6), p.e12628. https://onlinelibrary.wiley.com/doi/10.1111/pala.12628
Green B.L., Collins A.T., Breeding C.M. (2022). Diamond spectroscopy, defect centers, color, and treatments. Reviews in Mineralogy and Geochemistry, Vol. 88, No. 1, pp. 637–688. https://doi.org/10.2138/rmg.2022.88.12
Gu T., Pamato M.G., Novella D., Alvaro M. Fournelle J., Brenker F.E., Wang W., Nestola F. (2022). Hydrous peridotitic fragments of Earth’s mantle 660 km discontinuity sampled by a diamond. Nature Geoscience, Article s41561-022-01024. https://doi.org/10.1038/s41561-022-01024-y
Hardman M.F., Eaton-Magaña S.C., Breeding C.M., Ardon T., D'Haenens-Johansson U.F.S. (2022). Evaluating the defects in CVD diamonds: A statistical approach to spectroscopy. Diamond and Related Materials, Vol. 130, pp. 109508. https://doi.org/10.1016/j.diamond.2022.109508
Harris J.W., Smit K.V., Fedortchouk Y., Moore M. (2022). Morphology of monocrystalline diamond and its inclusions. Reviews in Mineralogy and Geochemistry, Vol. 88, No. 1, pp. 119–166. https://doi.org/10.2138/rmg.2022.88.02
Hoare B.C., Tomlinson A.L., Kamber B.S. (2022). Evidence for a very thick Kaapvaal craton root: Implications for equilibrium fossil geotherms in the early continental lithosphere, Earth and Planetary Science Letters, Vol. 597, Article 117796. https://doi.org/10.1016/j.epsl.2022.117796
Jin S.Y., Sun Z.Y., Palke A.C. (2022). Iron oxide inclusions and exsolution textures of rainbow lattice sunstone. European Journal of Mineralogy, Vol. 34, No. 2, pp. 183–200. https://doi.org/10.5194/ejm-34-183-2022
Jollands M.C., Balan E. (2022). Beryllium incorporation in corundum. Mineralogical Magazine, Vol. 86, No. 5, pp. 758-766. https://www.cambridge.org/core/journals/mineralogical-magazine/article/abs/beryllium-incorporation-in-corundum/EF9925E0903FE32F0C5AFCD720CDCCA3
Jollands, M.C., Bloch, E.M., Van Orman, J., Hermann, J., O'Neill, H.S.C. (2022). Scandium diffusion in forsterite: concentration dependence, inter-site reactions and the effect of trivalent cations on Fe diffusion. Physics of the Earth and Planetary Interiors. Article 106954. https://doi.org/10.1016/j.pepi.2022.106954
Jollands M.C., Muir J., Padrón-Navarta J.A., Demouchy S. (2022). Modelling hydrogen mobility in forsterite as diffusion coupled to inter site reaction. Contributions to Mineralogy and Petrology, Vol. 177, Article 98. https://doi.org/10.1007/s00410-022-01954-1
Jollands M.C., Tollan P., Baumgartner L., Müntener O. (2022). Hydrogen diffusion mechanisms in quartz: insights from H-Li, 2H-H and 2H-H-Li exchange experiments. Mineralogical Magazine, Vol. 86, No. 1, pp. 112–126. https://doi.org/10.1180/mgm.2021.105
Kazuchits N.M., Kazuchits V.N., Rusetsky M.S., Mazanik A.V., Skuratov V.A., Moe K.S., Zaitsev A.M. (2022). Luminescence of negatively charged single vacancies in diamond: ND1 center. Diamond and Related Materials, Vol. 121, Article 108741. https://doi.org/10.1016/j.diamond.2021.108741
Lai MY, Stachel T., Stern R.A., Hardman M.F., Pearson D.G., Harris J.W. (2022). Formation of mixed paragenesis diamonds during multistage growth–Constraints from in situ δ13C-δ15N-[N] analyses of Koidu diamonds. Geochimica et Cosmochimica Acta, Vol. 323, pp. 20–39. https://doi.org/10.1016/j.gca.2022.02.020
LeCroy B. (2022). Gems on canvas: Pigments historically sourced from gem materials. Gems & Gemology, Vol. 58, No. 3, pp. 318-337. https://www.gia.edu/gems-gemology/fall-2022-gems-on-canvas
McGunnigle J.P., Cano E.J., Sharp Z.D., Muehlenbachs K., Cole D., Hardman M.F., Stachel T., Pearson D.G. (2022). Triple oxygen isotope evidence for a hot Archean ocean. Geology, Vol. 50, No. 9, pp. 991–995. https://doi.org/10.1130/G50230.1
Shigley J.E., Palke A.C., Koivula J.I., Renfro N.D. (2022). Colored Stones Unearthed: Inclusions in gemstones. Gems & Gemology, Vol. 58, No. 2, pp. 234-242. https://www.gia.edu/doc/summer-2022-colored-stones-unearthed.pdf
Smit K., Shirey S., Pearson G., Stachel T., Nestola F., Moses T. (eds.) (2022). Diamond: Genesis, Mineralogy and Geochemistry, Reviews in Mineralogy and Geochemistry, Mineralogical Society of America, Vol. 88, 875 pp. http://www.minsocam.org/msa/rim/rim88.html
Smit K.V., Timmerman S., Aulbach S., Shirey S.B., Richardson S.H., Phillips D., Pearson G.P. (2022). Geochronology of diamonds. Reviews in Mineralogy and Geochemistry, Vol. 88, No 1, pp. 567–636. https://doi.org/10.2138/rmg.2022.88.11
Smith E.V. (2022). Diamond Reflections: Deep-focus earthquakes – The heartbeat of a diamond factory? Gems & Gemology, Vol. 58, No. 1, pp. 72–79. https://www.gia.edu/gems-gemology/spring-2022-diamond-reflections-deep-focus-earthquakes-heartbeat-diamond-factory
Smith, E.M. (2022). Diamond Reflections: The liquids lurking inside your diamonds. Gems & Gemology, Vol. 58, No. 3, pp. 370–374. https://www.gia.edu/gems-gemology/fall-2022-diamond-reflections
Smith E.M., Krebs M.Y., Genzel P.T., Brenker F.E. (2022). Raman identification of inclusions in diamonds. Reviews in Mineralogy and Geochemistry, Vol. 88, No. 1, pp. 451–473. https://doi.org/10.2138/rmg.2022.88.08
Smith E.M., Smit K.V., Shirey S.B. (2022). Methods and challenges of establishing the geographic origin of diamonds. Gems & Gemology, Vol. 58, No. 3, pp. 270-288. https://www.gia.edu/doc/fall-2022-geographic-origin-diamonds.pdf
Sun Z., Palke A. C., Renfro N. D., Rizzo J. M., Hand D. B., Sanchez D. (2022). Quantitative definition of strength of chromophores in gemstones and the impact on color change in pyralspite garnets. Color Research and Application, Vol. 47, No. 5, pp. 1134–1154. https://doi.org/10.1002/col.22789
Tsai T.H., Wang Z., Takahashi H. (2022). Reversible photochromic effect in natural gemstone sapphires. Optics Letters Vol. 47, issue 22, pp. 5805-5808 https://opg.optica.org/ol/abstract.cfm?uri=ol-47-22-5805
van Rythoven AD, Schulze DJ, Stern RA, Lai MY (2022). Composition of Diamond from the 95-2 Pipe, Lake Timiskaming Kimberlite Cluster, Superior Craton, Canada. The Canadian Mineralogist, 60:67-90. https://doi.org/10.3749/canmin.2000104
Walter M.J., Thomson A.R., Smith E.M. (2022). Geochemistry of silicate and oxide inclusions in sublithospheric diamonds. Reviews in Mineralogy and Geochemistry, Vol. 88, No. 1, pp. 393–450. https://doi.org/10.2138/rmg.2022.88.07
Wang Z., Tsai T.H., Takahashi H. (2022). Rapid screening of a photochromic Padparadscha-like sapphire using absorption spectroscopy. Applied Optics, Vol. 61, No. 27, pp.8108–8114. https://doi.org/10.1364/AO.460718
Wu L.G., Li Y., Jollands M.C., Vermeesch P., Li X. (2022). Diffuser: a user-friendly program for diffusion chronometry with robust uncertainty estimation. Computers and Geoscience, Vol. 163, Article 105108. https://doi.org/10.1016/j.cageo.2022.105108
2021
Bassoo R., Befus K.S. (2021). Composition of the sub-cratonic mantle of the Guiana Shield inferred from diamond-hosted inclusions. Geochemistry, Geophysics, Geosystems, Vol. 22, No. 6, Art. e2021GC009841. https://doi.org/10.1029/2021GC009841
Bassoo R., Befus K.S., Liang P., Forman S.L., Sharman G. (2021). Deciphering the enigmatic origin of Guyana’s diamonds. American Mineralogist, Vol. 106, No. 1, pp. 54–68. https://doi.org/10.2138/am-2020-7486
Belley P.M., Palke A.C. (2021). Purple gem spinel from Vietnam and Afghanistan: Comparison of trace element chemistry, cause of color, and inclusions. Gems & Gemology, Vol. 57, No. 3, pp. 228–238. https://doi.org/10.5741/GEMS.57.3.228
Eaton-Magaña S., Ardon T., Breeding C.M. (2021). Laboratory-grown diamond: A gemological laboratory perspective. Journal of Gems & Gemmology, Vol. 23, No. 6, pp. 25–39. http://jogg.cug.edu.cn/cn/article/doi/10.15964/j.cnki.027jgg.2021.06.003
Eaton-Magaña S., Breeding C.M., Palke A.C., Homkrajae A., Sun Z.Y., McElhenny G. (2021). Raman and photoluminescence mapping of gem materials. Minerals, Vol. 11, No. 2, Article 177. https://doi.org/10.3390/min11020177
Fan N., Zhou C., Myagkaya E. (2021). Investigation of nacre nanostructure by analyzing its structural color pattern. Scientific Reports, Vol. 11, Article 19686. https://doi.org/10.1038/s41598-021-99327-4
Farfan G.A., Zhou C., Valley J.W., Orland I.J. (2021). Coupling mineralogy and oxygen isotopes to seasonal environment shifts recorded in modern freshwater pearl nacre from Kentucky Lake. Geochemistry, Geophysics, Geosystems, 22, e2021GC009995. https://doi.org/10.1029/2021GC009995
Hardman M.F., Stachel T., Pearson D.G., Cano E.J., Stern R.A., Sharp Z.D. (2021). Characterizing the distinct crustal protoliths of Roberts Victor Type I and II eclogites. Journal of Petrology, Vol. 62, No. 12, Article egab090. https://doi.org/10.1093/petrology/egab090
Ho J.W.Y., Shih S.C. (2021). Charts: Pearl classification: The GIA 7 pearl value factors. Gems & Gemology, Vol. 57, No. 2, pp. 135–137. http://dx.doi.org/10.5741/GEMS.57.2.135
Homkrajae A., Manustrong A., Nilpetploy N., Sturman N., Lawanwong K., Kessrapong P. (2021). Internal structure of known Pinctada maxima pearls: Natural pearls from wild marine mollusks. Gems & Gemology, Vol. 57, No. 1, pp. 2–21. http://dx.doi.org/10.5741/GEMS.57.1.2
Homkrajae A., Nilpetploy N., Manustrong A., Sturman N., Lawanwong K., Kessrapong P. (2021). Internal structure of known Pinctada maxima pearls: Cultured pearls from operated marine mollusks. Gems & Gemology, Vol. 57, No. 3, pp. 186–205. http://dx.doi.org/10.5741/GEMS.57.3.186
Jin S.Y., Xu H.F., Lee S.Y. (2021). Revisiting the Bøggild intergrowth in iridescent labradorite feldspars: Ordering, kinetics, and phase equilibria. Minerals, Vol. 11, No. 7, Article 727. https://doi.org/10.3390/min11070727
Luo Y., Nelson D., Ardon T., Breeding C.M. (2021). Measurement and characterization of the effects of blue fluorescence on diamond appearance. Gems & Gemology, Vol. 57, No. 2, pp. 102–123. http://dx.doi.org/10.5741/GEMS.57.2.102
Nilpetploy N., Lawanwong K., Kessrapong P., Manustrong A., Sturman N. (2021). A study on improving the surface appearance of low-quality Pinctada maxima bead cultured pearls. GIA Research & News, https://www.gia.edu/gia-news-research/improving-surface-appearance-low-quality-pinctada-maxima-bead-cultured-pearls
Renfro N.D., Koivula J.I., McClure S.F., Schumacher K., Shigley J.E. (2021). Charts: Micro-features of spinel. Gems & Gemology, Vol. 57, No. 1, pp. 46–49. http://dx.doi.org/10.5741/GEMS.57.1.46
Shen C., Palke A., Sun Z.Y., Fairchild M.D. (2021). How to calculate color from spectra of uniaxial gemstones. Gems & Gemology, Vol. 57, No. 1, pp. 36–45. http://dx.doi.org/10.5741/GEMS.57.1.36
Smith E.M., Nestola F., Pasqualetto L., Zorzi F., Seccon L., Wang W. (2021). The new mineral Crowningshieldite: A high-temperature NiS polymorph found in a type IIa diamond from the Letseng mine, Lesotho. American Mineralogist, Vol. 106, No. 2, pp. 301–309. https://doi.org/10.2138/am-2020-7567
Smith E.M., Ni P., Shirey S.B., Richardson S.H., Wang W., Shahar A. (2021). Heavy iron in large gem diamonds traces deep subduction of serpentinized ocean floor. Science Advances, Vol. 7, No. 14, Article eabe9773. https://doi.org/10.1126/sciadv.abe9773
Smith E.M., Nestola F. (2021). Super-deep diamonds: Emerging deep mantle insights from the past decade. In: Marquardt H. et al. (eds.), Mantle Convection and Surface Expressions, Wiley, pp. 179–192. https://doi.org/10.1002/9781119528609.ch7
Smith EM. (2021). Chapter 5: Fluid and melt inclusions in diamond as insight into mantle processes. In: Lecumberri-Sanchez P., Steele-MacInnis M., Kontak D. (eds.) Fluid and Melt Inclusions: Applications to Geologic Processes. Mineralogical Association of Canada Short Course Series, Vol. 49, pp. 109–122.
Stone-Sundberg J.L., Guan Y.B., Sun Z.Y., Ardon T. (2021). Accurate trace element reporting in corundum: Development of secondary ion mass spectrometry relative sensitivity factors. Geostandards and Geoanalytical Research, Vol. 45, No. 1, pp. 207–221. https://doi.org/10.1111/ggr.12360
Tsai T.H., Zhou C. (2021). Rapid detection of color-treated pearls and separation of pearl types using fluorescence analysis. Applied Optics, Vol. 60, pp. 5837–5845. https://doi.org/10.1364/AO.427203
Tsai T.H., D’Haenens-Johansson U.F.S. (2021). Rapid gemstone screening and identification using fluorescence spectroscopy. Applied Optics, Vol. 60, No.12, pp. 3412–3421. https://doi.org/10.1364/AO.419885
Zaitsev A.M., Kazuchits N.M., Moe K.S., Butler J.E., Korolik O.V., Rusetsky M.S., Kazuchits V.N. (2021). Luminescence of brown CVD diamond: 468 nm luminescence center. Diamond and Related Materials, Vol. 113, Article 108255. https://doi.org/10.1016/j.diamond.2021.108255
Zhou C., Ho J.W.Y., Shih S.C., Tsai T.H., Sun Z.Y., Persaud S., Qi L.J. (2021). Detection of color treatment and optical brightening in Chinese freshwater “Edison” pearls. Gems & Gemology, Vol. 57, No. 2, pp. 124–134. http://dx.doi.org/10.5741/GEMS.57.2.124
Zhou C. (2021). A brief history of pearl testing through the pages of Gems & Gemology. Journal of the Gemmological Association of Hong Kong, Vol. 42, pp. 88–95. http://www.gahk.org/journal/2021/a18.pdf
2020
Ashfold M.N.R., Goss J.P., Green B.L., May P.W., Newton M.E., Peaker C.V. (2020). Nitrogen in diamond. Chemical Reviews, Vol. 120, No. 12, pp. 5745–6794. https://doi.org/10.1021/acs.chemrev.9b00518
Breeding C.M., Eaton-Magaña S., Shigley J.E. (2020). Naturally colored yellow and orange gem diamonds: The nitrogen factor. Gems & Gemology, Vol. 56, No. 2, pp. 194–219. http://dx.doi.org/10.5741/GEMS.56.2.194
Breeze B.G., Meara C.J., Wu X.X., Michaels C.P., Gupta R., Diggle P.L., Dale M.W., Cann B.L., Ardon T., D’Haenens-Johansson U.F.S., Friel I., Rayson M.J., Briddon P.R., Goss J.P., Newton M.E., Green B.L. (2020). Doubly charged silicon vacancy centers, Si-N complexes, and photochromism in N and Si codoped diamond. Physical Review B, Vol. 101, No. 18, Article 184115. https://doi.org/10.1103/PhysRevB.101.184115
Diggle P.L., D’Haenens-Johansson U.F.S., Green B.L., Welbourn C.M., Thi T.N.T., Katrusha A., Wang W., Newton M.E. (2020). Decoration of growth sector boundaries with nitrogen vacancy centers in as-grown single-crystal high-pressure high-temperature synthetic diamond. Physical Review Materials, Vol. 4, No. 9, Article 093402. https://doi.org/10.1103/PhysRevMaterials.4.093402
Dubinsky E.V., Stone-Sundberg J., Emmett J.L. (2020). A quantitative description of the causes of color in corundum. Gems & Gemology, Vol. 56, No. 1, pp. 2–28. http://dx.doi.org/10.5741/GEMS.56.1.2
Eaton-Magaña S., McElhenny G., Breeding C.M., Ardon T. (2020). Comparison of gemological and spectroscopic features in type IIa and Ia natural pink diamonds. Diamond and Related Materials, Vol. 105, Article 107784. https://doi.org/10.1016/j.diamond.2020.107784
Eaton-Magaña S., Ardon T. (2020). Spatial distribution of defects in natural type IIb diamond after irradiation and annealing. Diamond and Related Materials, Vol. 109, Article 108034. https://doi.org/10.1016/j.diamond.2020.108034
Eaton-Magaña S., Ardon T., Breeding C.M., Shigley J.E. (2020). Natural color D-to-Z diamonds: A crystal clear perspective. Gems & Gemology, Vol. 56, No. 3, pp. 318–335. http://dx.doi.org/10.5741/GEMS.56.3.335
Gu T.T., Ritterbex S., Tsuchiya T., Wang W. (2020). Novel configurations of VN4 and VN4H defects in diamond platelets: Structure, energetics and vibrational properties. Diamond and Related Materials, Vol. 108, Article 107957. https://doi.org/10.1016/j.diamond.2020.107957
Howell D., Stachel T., Stern R.A., Pearson D.G., Nestola F., Hardman M.F., Harris J.W., Jaques A.L., Shirey S.B., Cartigny P., Smith K.V., Aulbach S., Brenker F.E., Jacob D.E., Thomassot E., Walter M.J., Navon O. (2020). Deep carbon through time: Earth’s diamond record and its implications for carbon cycling and fluid speciation in the mantle. Geochemica et Cosmochimica Acta, Vol. 275, pp. 99–122. https://doi.org/10.1016/j.gca.2020.02.011
Kessrapong P., Lawanwong K. (2020). Atypical bead cultured Pinctada maxima pearls nucleated with freshwater non-bead cultured pearls. GIA Research & News. https://www.gia.edu/doc/Atypical-Bead-Cultured-Nucleated-with-Freshwater-NBCP.pdf
Krebs M.Y., Hardman M.F., Pearson D.G., Luo Y., Fagan A.J., Sarkar C. (2020). An evaluation of the potential for determination of the geographic origin of ruby and sapphire using an expanded trace element suite plus Sr-Pb isotope compositions. Minerals, Vol. 10, No. 5, Article 447. https://doi.org/10.3390/min10050447
Lai M.Y., Breeding C.M., Stachel T., Stern R.A. (2020). Spectroscopic features of natural and HPHT-treated yellow diamonds. Diamond and Related Materials, Vol. 101, Article 107642. https://doi.org/10.1016/j.diamond.2019.107642
Lai M.Y., Stachel T. Breeding C.M., Stern R.A. (2020). Yellow diamonds with colourless cores – Evidence for episodic diamond growth beneath Chidliak and the Ekati mine, Canada. Mineralogy and Petrology, Vol. 114, No. 2, pp. 91–103. https://doi.org/10.1007/s00710-020-00693-0
Palke A.C. (2020). Coexisting rubies and blue sapphires from major world deposits: A brief review of the mineralogical properties. Minerals, Vol. 10, No. 5, Article 472. https://doi.org/10.3390/min10050472
Saeseaw S., Khowpong C., Vertriest W. (2020). Low-temperature heat treatment of pink sapphires from Ilakaka, Madagascar. Gems & Gemology, Vol. 56, No. 4, pp. 448–457. http://dx.doi.org/10.5741/GEMS.56.4.448
Smit K.V., Shirey S.B. (2020). Diamonds from the Deep: Diamonds are not forever! Diamond dissolution. Gems & Gemology, Vol. 56, No. 1, pp. 148–155. https://www.gia.edu/gems-gemology/spring-2020-diamond-dissolution
Smit K.V., Shirey S.B. (2020). Diamonds from the Deep: What have diamond ages taught us? Gems & Gemology, Vol. 56, No. 4, pp. 534–541. https://www.gia.edu/gems-gemology/winter-2020-what-have-diamond-ages-taught-us
Sturman N., Lawanwong K., Kitdee N., Chodhry D. (2020). Vietnam: Shell nuclei, pearl hatcheries, and pearl farming. Gems & Gemology, Vol. 56, No. 3, pp. 402–415. http://dx.doi.org/10.5741/GEMS.56.3.402
Vertriest W., Palke A. (2020). Identification of opaque sulfide inclusions in rubies from Mogok, Myanmar and Montepuez, Mozambique. Minerals, Vol. 10, No. 6, Article 492. https://doi.org/10.3390/min10060492
Zaitsev A.M., Kazuchits N.M., Kazuchits V.N., Moe K.S., Rusetsky M.S., Korolik O.V., Kitajima K., Butler J.E., Wang W. (2020). Nitrogen-doped CVD diamond: Nitrogen concentration, color and internal stress. Diamond and Related Materials, Vol. 105, Article 107794. https://doi.org/10.1016/j.diamond.2020.107794
Zhou C., Tsai T.H., Sturman N., Nilpetploy N., Manustrong A., Lawanwong K. (2020). Optical whitening and brightening of pearls: A fluorescence spectroscopy study. Gems & Gemology, Vol. 56, No. 2, pp. 258–265. http://dx.doi.org/10.5741/GEMS.56.2.258
2019
Breeding C.M., Eaton‐Magaña S. (2019). Fluorescence of natural and synthetic gem diamond: Mechanism and applications, Encyclopedia of Analytical Chemistry: Applications, Theory and Instrumentation, pp. 1-26. https://onlinelibrary.wiley.com/doi/10.1002/9780470027318.a9670
Eaton-Magaña S., Ardon T., Breeding C.M., Shigley J.E. (2019). Natural-color fancy white and fancy black diamonds: Where color and clarity converge. Gems & Gemology, Vol. 55, No. 3, pp. 320–337. http://dx.doi.org/10.5741/GEMS.55.3.320
Gu T., Ohfuji H., Wang W. (2019). Origin of milky optical features in type IaB diamonds: Dislocations, nano-inclusions, and polycrystalline diamond. America Mineralogist, Vol. 104, No. 5, pp. 652–658. https://doi.org/10.2138/am-2019-6699
Groat L.A., Giuliani G., Stone-Sundberg J., Sun Z.Y., Renfro N.D., Palke A.C. (2019). A review of analytical methods used in geographic origin determination of gemstones. Gems & Gemology, Vol. 55, no. 4. http://dx.doi.org/10.5741/GEMS.55.4.512
Homkrajae A., Sun Z., Blodgett T., Zhou C. (2019). Provenance discrimination of freshwater pearls by LA-ICP-MS and linear discriminant analysis (LDA). Gems & Gemology, Vol. 55, No. 1, pp. 47-60. http://dx.doi.org/10.5741/GEMS.55.1.47
Howell D., Collins A.T., Loudin L.C., Diggle P.L., D'Haenens-Johansson U.F.S., Smit K.V., Katrusha A.N., Butler J.E., Nestola F. (2019). Automated FTIR mapping of boron distribution in diamond. Diamond and Related Materials, Vol. 96, pp. 207–215. https://doi.org/10.1016/j.diamond.2019.02.029
Howell D., Stachel T., Stern R.A., Pearson D.G., Nestola F., Hardman M.F., Harris J.W., Jaques A.L., Shirey S.B., Cartigny P., Smit K.V., Aulbach S., Brenker F.E., Jacob D.E., Thomassot E, Walter MJ, Navon O. (2019). Deep carbon through time: Earth’s diamond record and its implications for carbon cycling and fluid speciation in the mantle. Geochimica et Cosmochimica Acta 275:99–122. https://doi.org/10.1016/j.gca.2020.02.011
Kazuchits N.M., Rusetsky M.S., Kazuchits V.N., Korolik O.V., Kumar V., Moe K.S., Wang W., Zaitsev A.M. (2019). Comparison of HPHT and LPHT annealing of Ib synthetic diamond. Diamond and Related Materials, Vol. 91, pp. 156–164. https://doi.org/10.1016/j.diamond.2018.11.018
Palke A.C., Saeseaw S., Renfro N.D., Sun Z.Y., McClure S.F. (2019). Geographic origin determination of blue sapphire. Gems & Gemology, Vol. 55, No. 4, pp. 536–579. http://dx.doi.org/10.5741/GEMS.55.4.536
Palke A.C., Saeseaw S., Renfro N.D., Sun Z.Y., McClure S.F. (2019). Geographic origin determination of ruby. Gems & Gemology, Vol. 55, No. 4, pp. 580–612. http://dx.doi.org/10.5741/GEMS.55.4.580
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Shirey S.B., Smit K.V., Pearson D.G., Walter M.J., Aulbach S., Brenker F.E., Bureau H., Burnham A.D., Cartigny P., Chacko T., Frost D.J., Hauri E.H., Jacob D.E., Jacobsen S.D., Kohn S.C., Luth R.W., Mikhail S., Navon O., Nestola F., Nimis P., Palot M., Smith E.M., Stachel T., Stagno V., Steele A., Stern R.A., Thomassot E., Thomson A.R., Weiss Y. (2019). Diamonds and the mantle geodynamics of carbon: Deep mantle carbon evolution from the diamond record. In: Orcutt B.N, Daniel I., Dasgupta R. (eds.) Deep Carbon: Past to Present, Cambridge University Press, pp. 89–128. https://doi.org/10.1017/9781108677950
Smit K.V., Stachel T., Luth R.W., Stern R.A. (2019). Evaluating mechanisms for eclogitic diamond growth: An example from Zimmi Neoproterozoic diamonds (West African craton). Chemical Geology, Vol. 520, pp. 21–32. https://doi.org/10.1016/j.chemgeo.2019.04.014
Smit K.V., Shirey S.B., Hauri E.H., Stern R.A. (2019). Sulfur isotopes in diamonds reveal differences in continent construction. Science, Vol. 364, pp. 383–385. https://doi.org/10.1126/science.aaw9548
Sturman N., Otter L.M., Homkrajae A., Manustrong A., Nilpetploy N., Lawanwong K., Kessrapong P., Jochum K.P., Stoll B., Götz H., Jacob D.E. (2019). A pearl identification challenge. Gems & Gemology, Vol. 55, No. 2, pp. 229-243. http://dx.doi.org/10.5741/GEMS.55.2.229
Sun Z.Y., Palke A.C., Muyal J., DeGhionno D., and McClure S.F. (2019). Geographic origin determination of alexandrite. Gems & Gemology, Vol. 55, No. 4, pp. 660–681. http://dx.doi.org/10.5741/GEMS.55.4.660
Sun Z.Y., Palke A.C., Breeding C.M., Dutrow B.L. (2019). A new method for determining gem tourmaline species by LA-ICP-MS. Gems & Gemology, Vol. 55, No. 1, pp. 2–17. http://dx.doi.org/10.5741/GEMS.55.1.2
Vertriest W., Palke A.C., Renfro N.D. (2019). Field gemology: Building a research collection and understanding the development of gem deposits. Gems & Gemology, Vol. 55, No. 4, pp. 490–511. http://dx.doi.org/10.5741/GEMS.55.4.490
In Press
Eaton‐Magaña S., Breeding C.M., Bassoo R. (2022, in press). Low-temperature annealing and kinetics of radiation stains in natural diamond, Diamond and Related Materials, In press. https://www.sciencedirect.com/science/article/abs/pii/S0925963522008317
Jin S., Sun Z., Palke A.C. (2022, in press). Color effects of Cu nanoparticles in Cu-bearing plagioclase feldspars. American Mineralogist. https://doi.org/10.2138/am-2022-8325
Jollands M, Ludlam A, Palke A, Vertriest W, Jin S, Cevallos P, Arden S, Myagkaya E, D’Haenens-Johannson UFS, Weeramongkhonlert V, Sun Z. (2023, in press). Color Modification of Spinel by Nickel (Ni) Diffusion: A New Treatment in the Gem Market, Gems & Gemology, Spring issue. https://www.gia.edu/gia-news-research/nickel-diffused-spinel
Xu H., Jin S., Lee S., Brown P.E. (2022, in press). Cation ordering, twinning and pseudo-symmetry in silicate garnet: The study of a birefringent garnet with orthorhombic structure. American Mineralogist. https://doi.org/10.2138/am-2022-8455
Zhou C, Jin S, Sun Z, Homkrajae A, Myagkaya E, Nilpetploy N, Lawanwong K (2023, in press). Disordered dolomite as an unusual biomineralization product found in the center of a natural Cassis pearl, PLOS One. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0284295
