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Literature of interest.

Coloured Stones

Application of Raman spectroscopic technique to investigation of nephrite color. X.Y. Feng, T. Lu, H. Zhang, Y. Zhang and J. Zhang, Journal of Mineralogy and Petrology, 35(1), 2015, 1-6 (in Chinese with English abstract).

Canalicules et fractures roses dans une tourmaline de type "Paraiba". S. Leblan, E. Fritsch, A. Droux and O. Segura, Revue de Gemmologie, 192, 2015, 9-10.

Color measurement and analysis of yellow jadeite. M. An and E. Zu, Superhard Material Engineering, 26(4), 2014, 55-58 (in Chinese with English abstract).

Color mechanisms in spinel: Cobalt and iron interplay for the blue color. V. D'lppolito, G.B. Andreozzi, U. Halenius, H. Skogby, K. Hametner and D. Gunther, Physics and Chemistry of Minerals, 42, 2015, 431-439, http://dx.doi.org/10.1007/s00269-015-0734-0.

Dual-color double stars in ruby, sapphire, and quartz: Cause and historical account. K. Schmetzer, M.P. Steinbach, H.A. Gilg and A.R. Blake, Gems & Gemology, 51(2), 2015, 112-143, http:// dx.doi.org/10.5741/gems.51.2.112.

Fluid inclusions in the Myanmar jadeitites. M. Qi, K. Shen and H. Xiang, Acta Petrologica et Mineralogica, 34(3), 2015, 405-417 (in Chinese with English abstract).

Gemmological and spectroscopic characteristics of chrome tourmaline appeared on the market recently. L. Sun, M.X. Yang and G. Wu, Journal of Gems & Gemmology, 17(1), 2015, 31-37 (in Chinese with English abstract).

Les gisements de rubis et de spinelle rouge de la Ceinture Metamorphique Neoproterozoique Mozambicaine. G. Giuliani, J.-E. Martelat, D. Ohnenstetter, J. Feneyrol, A.E. Fallick and A. Boyce, Revue de Gemmologie, 192, 2015, 11-18.

The impacts of the variation of Myanmar jade component on its infrared spectroscopy. Y. Wang, B. Shi, X. Yuan, L. Pei, T. Chen and X. Xie, Spectroscopy and Spectral Analysis, 35(8), 2015, 2094-2098 (in Chinese with English abstract).

The main structural characteristics of omphacite jade and its influence on transparence. Y. Shao and X. Yang, Acta Petrologica et Mineralogica, 33(2), 2014, 69-73 (in Chinese with English abstract).

Microstructures of opal related to gemological characteristics. S. Toaree, B. Wanthanachaisaeng and C. Sutthirat, Australian Gemmologist, 25(9), 2015, 326-329.

Mineralogical characteristics of copper pectolite [larimar]. L. Peng and S. Qin, Acta Petrologica et Mineralogica, 33, Suppl. 2, 2014, 55-60 (in Chinese with English abstract).

Mineralogy and coloration of oil-green jadeite jade. K. Yin, J. Tian, Y. Ma, Y. Wu and Y. Wang, Spectroscopy and Spectral Analysis, 34(12), 2014, 3323-3326 (in Chinese with English abstract).

Olivine--peridot. H.A. Hanni, Journal of the Gemmological Association of Hong Kong, 36, 2015, 35-37, www.gahk.org/journal/GAHK_Journal_2015_v5.pdf. *

Variety and identification of garnet. Y. Luo, Q. Zhen and C. Wang, Journal of Gems & Gemmology, 17(3), 2015, 36-42 (in Chinese with English abstract).

Cultural Heritage

The Brremangurey pearl: A 2000 year old archaeological find from the coastal Kimberley, Western Australia. K. Szabo, B. Koppel, M.W. Moore, I. Young, M. Tighe and M.J. Morwood, Australian Archaeology, 80, 2015, 112-115. *

Case study on an emerald bead: Is it from the ancient mines in Egypt or not? MS. Krzemnicki and L.E. Cartier, Journal of the Gemmological Association of Hong Kong, 36, 2015, 46-49, www. gahk.org/journal/GAHK_Journal_2015_v5.pdf. *

Du Turkestan a la Birmanie: La quete du jade dans les sources chinoises, 3eme et derniere partie. L. Long, Revue de Gemmologie, 192, 2015, 19-20.

Diamonds

The basal conglomerate of the Capacete Formation (Mata da Corda Group) and its relation to diamond distributions in Coromandel, Minas Gerais State, Brazil. A.F Fernandes, J. Karfunkel, D.B. Hoover, P.B. de A. Sgarbi, G.N.C. Sgarbi, G.D. Oliveira, J.C. de S.P. Gomes and K. Kambrock, Brazilian Journal of Geology, 44(1), 2014, 91-103, http://dx.doi. org/10.5327/z2317-4889201400010008. *

The buffering capacity of lithospheric mantle: Implications for diamond formation. R.W. Luth and T. Stachel, Contributions to Mineralogy and Petrology, 168(5), 2014, article 1083, 12 pp., http:// dx.doi.org/10.1007/s00410-014-1083-6.

Conditions of diamond crystallization in kimberlite melt: Experimental data. Y.N. Palyanov, A.G. Sokol, A.F. Khokhryakov and A.N. Kruk, Russian Geology and Geophysics, 56(1-2), 2015, 196-210, http://dx.doi.org/10.1016/j.rgg. 2015.01.013.

Defects in cubic diamonds from the placers in the northeastern Siberian platform: Results of IR microspectrometry. S.V. Titkov, A.A. Shiryaev, N.N. Zudina, N.G. Zudin and Y.P. Solodova, Russian Geology and Geophysics, 56(1-2), 2015, 354-362, http://dx.doi.org/10.1016Zj.rgg.2015.01.026.

Le diamant noir polycristallin rencontre en joaillerie [Polycrystalline black diamond used in jewellery]. J. Masselot, Diplome d'Universite de Gemmologie, University of Nantes, France, 2014, 55 pp., www.gemnantes.fr/documents/pdf/DUGs/ Masselot_DUG.pdf (in French). *

Diamond-bearing gravels along the lower Kwango River DRC. M.C.J. De Wit and E. Thorose, in M.J. de Wit et al., Eds., Geology and Resource Potential of the Congo Basin, Springer, Berlin, Germany, 2015, 341-360, http://dx.doi. org/10.1007/978-3-642-29482-2_16.

Diamond formation--Where, when and how? T. Stachel and R.W. Luth, Lithos, 220-223, 2015, 200-220, http://dx.doi.org/10.1016/j.lithos.2015.01.028. *

Diamond thermoelastic properties and implications for determining the pressure of formation of diamond-inclusion systems. R.J. Angel, M. Alvaro, F. Nestola and M.L. Mazzucchelli, Russian Geology and Geophysics, 56(1-2), 2015, 211-220, http://dx.doi.org/10.1016/j.rgg.2015.01.014.

Diamonds from the Coromandel area, west Minas Gerais State, Brazil: An update and new data on surface sources and origin. J. Karfunkel, D. Hoover, A.F. Fernandes, G.N.C. Sgarbi, K. Kambrock and G.D. Oliveira, Brazilian Journal of Geology, 44(2), 2014, 325-338, http://dx.doi.org/ 10.5327/z2317-4889201400020011. *

Evolution of diamond resorption in a silicic aqueous fluid at 1-3GPA: Application to kimberlite emplacement and mantle metasomatism. Z. Zhang, Y. Fedortchouk and J.J. Hanley, Lithos, 227, 179-193, http://dx.doi. org/10.1016/j.lithos.2015.04.003. *

Isotope fractionation of carbon during diamond crystallization in model systems. V.N. Reutsky, Y.N. Palyanov, Y.M. Borzdov and A.G. Sokol, Russian Geology and Geophysics, 56(1-2), 2015, 239-244, http://dx.doi.org/10.1016/j.rgg.2015.01.017.

The luminescent nature of orange coloration in natural diamond: Optical and EPR study. S.V. Titkov, R.M. Mineeva, N.N. Zudina, A.M. Sergeev, I.D. Ryabchikov, A.A. Shiryaev, A.V. Speransky and V.P. Zhikhareva, Physics and Chemistry of Minerals, 42, 2015, 131-141, http://dx.doi.org/10.1007/s00269-014-0705-x.

Multiple growth events in diamonds with cloudy microinclusions from the Mir kimberlite pipe: Evidence from the systematics of optically active defects. S.Y. Skuzovatov, D.A. Zedgenizov, A.L. Rakevich, V.S. Shatsky and E.F. Martynovich, Russian Geology and Geophysics, 56(1-2), 2015, 330-343, http://dx.doi.org/10.1016/j.rgg.2015.01.024.

Olivine with diamond-imposed morphology included in diamonds. Syngenesis or protogenesis? F. Nestola, P. Nimis, RJ. Angel, S. Milani, M. Bruno, M. Prencipe and J.W. Harris, International Geology Review, 56(13), 2014, 1658-1667, http://dx.doi.org/10.1080/00206814.2014.9561 53.

Peculiarities of nitrogen impurity aggregation in diamonds from the Sytykanskaya pipe, Yakutia. M.I. Rakhmanova, V.A. Nadolinny, O.P. Yuryeva, N.P. Pokhilenko and A.M. Logvinova, European Journal of Mineralogy, 27(1), 2015, 51-56, http://dx.doi.org/10.1127/ejm/2014/0026-2413.

A review of diamonds in Zimbabwe--A century on. V. Stocklmayer and S. Stocklmayer, Australian Gemmologist, 25(9), 2015, 316-325.

A review of the kimberlites of the Democratic Republic of Congo. M.C.J. De Wit and H.A. Jelsma, in M.J. de Wit et al., Eds., Geology and Resource Potential of the Congo Basin, Springer, Berlin, Germany, 2015, 361-369, http://dx.doi.org/ 10.1007/978-3-642-29482-2_17.

Review of lithospheric diamonds and their mineral inclusions. X. Zhao, G. Shi and J. Zhang, Advances in Earth Science, 30(3), 2015, 310-322 (in Chinese with English abstract).

The secondary origin of diamonds: Multi-modal radiation tomography of diamondiferous mantle eclogites. G.H. Howarth, N.V. Sobolev, J.F. PernetFisher, P.H. Barry, D. Penumadu, S. Puplampu, R.A. Ketcham, J.A. Maisano, D. Taylor and L.A. Taylor, International Geology Review, 56(9), 2014, 1172-1180, http://dx.doi.org/10.1080/00206814.2014.926784.

3-D X-ray tomography of diamondiferous mantle eclogite xenoliths, Siberia: A review.

G.H. Howarth, N.V. Sobolev, J.F. Pernet-Fisher, R.A. Ketcham, J.A. Maisano, L.N. Pokhilenko, D. Taylor and L.A. Taylor, Journal of Asian Earth Sciences, 101, 2015, 39-67, http://dx.doi.org/10.1016/j. jseaes.2014.10.039.

Typomorphic features of graphite inclusions in diamond: Experimental data. A.F. Khokhryakov and D.V. Nechaev, Russian Geology and Geophysics, 56(1-2), 2015, 232-238, http://dx.doi.org/10.10l6/). rgg.2015.01.0l6.

Gem Localities

Age and origin of charoitite, Malyy Murun Massif, Siberia, Russia. Y. Wang, H. He, A.V.

Ivanov, R. Zhu and C. Lo, International Geology Review, 56(8), 2014, 1007-1019, http://dx.doi.org/10. 1080/00206814.2014.914860.

Brief report of a visit to emerald mines in Colombia. Chan Chi Keung, Journal of the Gemmological Association of Hong Kong, 36, 2015, 16-28, www.gahk.org/journal/GAHK_Journal_2015_v5.pdf (in Chinese with English abstract). *

Diagnostic characteristics of precious opals from the Raduzhnoe deposit (Primorsky Region, Russia). V.B. Tishkina, V.A. Pakhomova and D.G. Fedoseev, Journal of the Gemmological Association of Hong Kong, 36, 2015, 80-82, www. gahk.org/journal/GAHK_Journal_2015_v5.pdf. *

Gemmological characteristics of jadeite and its crust from Muna mine. Y. Yan, D. Ye and J. Weng, Journal of Gems & Gemmology, 17(1), 2015, 10-16 (in Chinese with English abstract).

The gemmological characteristics of "Mixian County Jade" from Henan, PRC. Pan Yu and He Xuemei, Journal of the Gemmological Association of Hong Kong, 36, 2015, 69-71, www.gahk.org/journal/GAHK_ Journal_2015_v5.pdf (in Chinese with English abstract). *

The gemological and mineral characteristics of variscite from Ma'anshan of Anhui Province. Y. Zhou, L. Qi, H. Dai, Q. Zhang and X. Jiang, Rock and Mineral Analysis, 33(5), 2014, 690-697 (in Chinese with English abstract).

Gemological and mineralogical characteristics of the Sleeping Beauty turquoise from the USA. X. Bai and Y. Liu, Acta Petrologica et Mineralogica, 33(2), 2014, 61-68 (in Chinese with English abstract).

Geochemical and oxygen isotope signatures of mantle corundum megacrysts from the MbujiMayi kimberlite, Democratic Republic of Congo, and the Changle alkali basalt, China. G. Giuliani, M. Pivin, A.E. Fallick, D. Ohnenstetter, Y. Song and D Demaiffe, Comptes Rendus Geoscience, 347(1), 2015, 24-34, http://dx.doi.org/10.1016/j.crte.2014.12.003.

Mineralogical characteristics of emerald from Malipo, Yunnan Province. W. Huang, P. Ni, T. Shui and P. Yang, Acta Petrologica et Mineralogica, 34(1), 2015, 103-109 (in Chinese with English abstract).

Photoluminescence response from the Turkish dentritic [sic] agates. M. Hatipoglu, Y. Kibici, G. Yanik, C. Ozkul and M. Demirbilek, Spectroscopy Letters, 48(5), 2015, 386-392, http://dx.doi.org/10.108 0/00387010.2014.891627. *

Red rain * Mozambique ruby pours into the market. R.W. Hughes, Journal of the Gemmological Association of Hong Kong, 36, 2015, 39-43, www. gahk.org/journal/GAHK_Journal_2015_v5.pdf. *

Rubies and sapphires from Snezhnoe, Tajikistan. E. S. Sorokina, A.K. Litvinenko, W. Hofmeister, T. Hager, D.E. Jacob and Z.Z. Nasriddinov, Gems & Gemology, 51(2), 2015, 160-175, http://dx.doi. org/10.5741/gems.51.2.160. *

Searching for sapphires in Sri Lanka. C. Unninayar, JAA, 371, 2015, 56-58.

Sri Lanka. S. Turner, GemGuide, 34(4), 2015, 2-7.

Zircons from the Nezametninskoe deposit (the Russian Far East). D.G. Fedoseev, V.A. Pakhomova, N.V. Zarubina, D.S. Ostapenko and K.N. Nikolaeva, Journal of the Gemmological Association of Hong Kong, 36, 2015, 30-32, www.gahk.org/journal/ GAHK_Journal_2015_v5.pdf. *

Instruments and Techniques

The application of X-ray absorption spectroscopy to gemology. J. Gao, X. Wu and S. Qin, Acta Petrologica et Mineralogica, 33, Suppl. 2, 2014, 155-160 (in Chinese with English abstract).

AVASPEC 2048: An innovative spectroscopic methodology to differentiate the natural emeralds from the synthetic ones. A. Leone, F. Caucia, A. Leone and L. Marinoni, Periodico di Mineralogia, 84(2), 2015, 247-261, http://dx.doi. org/10.2451/2015PM0012. *

Digital photomicrography for gemologists. N. Renfro, Gems & Gemology, 51(2), 2015, 144-159, http://dx.doi.org/10.5741/gems.5E2.144. *

Luminescence studies of gemstones and diamonds. M.D. Sastry, S. Mane, M. Gaonkar, M.K. Bhide, S.N. Desai and K.T. Ramachandran, International Journal of Luminescence and Applications, 5(3), 2015, 293-297, http://ijlaindia.org/ wp-content/uploads/2015/07/Volume5/Issue3/112. pdf. *

Raman-in-SEM, a multimodal and multiscale analytical tool: Performance for materials and expertise. G. Wille, X. Bourrat, N. Maubec and A. Lahfid, Micron, 67, 2014, 50-64, http://dx.doi. org/10.1016/j.micron.2014.06.008.

Miscellaneous

Australian Opal Centre: A glittering palace for the queen of gems. J. Brammall, Australian Gemmologist, 25(9), 2015, 304-315.

Elevating the quality of staffs at jewelry boutique stores: Implementing chinkless teaching concept for course training and planning. Chiao-Ping Bao, Nai-Chieh Wei and Shu-Chuan Chen, The International Journal of Organizational Innovation, 8(1), 2015, www.ijoionline.org/attachments/article/45/FINAL%20ISSUE%20 VOL%208%20NUM%201%20JULY%202015.pdf. *

The iconic blue box: A semiotic analysis of Tiffany & Company advertisements. L. Drewniany, BA thesis, California Polytechnic State University--San Luis Obispo, USA, 2015, 27 pp., http://digitalcommons.calpoly.edu. *

News Press

Ancient pearl dated as 2,000 years old in WA's Kimberley region. N. Jones, ABC News, 3 June 2015, www.abc.net.au/news/2015-06-03/ancientpearl-thousands-years-old-in-kimberley/6519650. *

This artist will craft your loved one's ashes into beads. K. Sola, Huffington Post, 1 April 2015, www. huffingtonpost.com/2015/04/01/merry-coor-ashbeads_n_6980078.html. *

The dangerous search for emeralds in Colombia. G. Miller, Washington Post, 9 August 2015, www.washingtonpost.com/sf/ world/2015/08/09/the-dangerous-search-foremeralds-in-colombia. *

At jewelry auctions, color is king. G.B. Mitic, New York Times, 13 May 2015, www.nytimes.com/ 2015/05/14/fashion/at-jewelry-auctions-color-is-king. html. *

The photographer and the jade mine: Documenting extractive governance challenges in Myanmar's Kachin State. M.Z. Oo, Natural Resources Governance Institute, 29 October 2014, www.resourcegovernance.org/news/blog/ photographer-and-jade-mine-documenting-extractivegovernance-challenges-myanmars-kachin-st. *

Ruby sets record, pink diamond and pearls shine at Sotheby's sale. S. Nebehay, Reuters, 12 May 2015, www.reuters.com/article/2015/05/12/artauction-jewels-idUSL5N0Y35D520150512. *

Stone bracelet is oldest ever found in the world. A. Liesowska, Siberian Times, 7 May 2015, http:// siberiantimes.com/science/casestudy/features/f0100 stone-bracelet-is-oldest-ever-found-in-the-world. *

Organic Gems

Amber from Mexico: Coahuilite, Simojovelite and Bacalite. F. Riquelme, J.L. Ruvalcaba-Sil, J. Alvarado-Ortega, E. Estrada-Ruiz, M. Galicia-Chavez, H. Porras-Muzquiz, V. Stojanoff, D.P. Siddons and L. Miller, Materials Research Society Symposium Proceedings, 1618, 2014, 12 pages, http://dx.doi. org/10.1557/opl.2014.466.

Blue-fluorescing amber from Cenozoic lignite, eastern Sikhote-Alin, Far East Russia: Preliminary results. I.Yu. Chekryzhov, V.P. Nechaev and V.V Kononov, International Journal of Coal Geology, 132(1), 2014, 6-12, http://dx.doi. org/10.1016/j.coal.2014.07.013.

FTIR and 13C spectrum characterization and significance of amber from different origins. Y.Y. Xing, L.J. Qi, Y.C. Mai and M.H. Xie, Journal of Gems & Gemmology, 17(2), 2015, 8-16 (in Chinese with English abstract).

Identification of tortoise shell and its two imitations. C. Tang, Z. Zhou and Z. Liao, Journal of Gems & Gemmology, 16(6), 2014, 6-13 (in Chinese with English abstract).

Infrared spectral characteristics of ambers from three main sources (Baltic, Dominica and Myanmar). Y. Wang, G. Shi, W. Shi and R. Wu, Spectroscopy and Spectral Analysis, 35(8), 2015, 2164-2169 (in Chinese with English abstract).

Inside amber: New insights into the macromolecular structure of class lb resinite. J. Poulin and K. Helwig, Organic Geochemistry, 86, 2015, 94-106, http://dx.doi.org/10.1016/j. orggeochem.2015.05.009.

Organic elements and spectroscopic characteristics of ambers from different producing areas. X. Fang and Y. Chen, Acta Petrologica et Mineralogica, 33(2), 2014, 107-110 (in Chinese with English abstract).

Tracing the most ancient amber: The origin and evolution of resin-producing plants. P. Zong, J. Xue and B. Tang, Acta Petrologica et Mineralogica, 33, Suppl. 2, 2014, 111-116 (in Chinese with English abstract).

Pearls

Historical geography of pearl harvesting and current status of populations of freshwater pearl mussel Margaritifera margaritifera (L.) in the western part of northern European Russia. A. Makhrov, J. Bespalaya, I. Bolotov, I. Vikhrev, M. Gofarov, Y. Alekseeva and A. Zotin, Hydrobiologia, 735(1), 2014, 149-159, http://dx.doi. org/10.1007/s10750-013-1546-1.

Spectroscopy characteristic comparative study of golden seawater cultured pearl from South Sea and dyed seawater cultured pearl. D. Zhou, L. Li, B. Luo and C. Zhou, Journal of Gems & Gemmology, 17(3), 2015, 1-9 (in Chinese with English abstract).

The use of probabilistic neural network and UV reflectance spectroscopy as an objective cultured pearl quality grading method. S. Agatonovic, Modern Chemistry & Applications, 3(2), article 1000152, 2015, 6 pp., http://dx.doi. org/10.4172/2329-6798.1000152. *

Yes, it turns: Experimental evidence of pearl rotation during its formation. Y. Gueguen, Y. Czorlich, M. Mastail, B. Le Tohic, D. Defay, P. Lyonnard, D. Marigliano, J.-P. Gauthier, H. Bari, C. Lo, S. Chabrier and G. Le Moullac, Royal Society Open Science, 2, article 150144, 2015, 8 pp., http://dx.doi. org/10.1098/rsos.150144. *

Synthetics and Simulants

Comparison of synthetic colourless sapphire and natural light-coloured sapphire. S. Song, G. Shi, X. Li and Y. Li, Journal of Gems & Gemmology, 17(2), 2015, 25-30 (in Chinese with English abstract).

Design of a novel large volume cubic high pressure apparatus for raising the yield and quality of synthetic diamond. Q.-G. Han, QC. Ban and P.-W. Zhu, Journal of Crystal Growth, 422, 2015, 29-35, http://dx.doi.org/10.1016/). jcrysgro.2015.04.028.

Dyed and filled sillimanite as ruby imitation. X. Lu and X. Wu, Journal of Gems & Gemmology, 16(6), 2014, 39-42 (in Chinese with English abstract).

FTIR imaging in diffusion studies: CO2 and [H.sub.2]O in a synthetic sector-zoned beryl. G. Della Ventura, F. Radica, F. Bellatreccia, A. Cavallo, G. Cinque, L. Tortora and H. Behrens, Frontiers in Earth Science, 3, article 33, 2015, 11 pp., http://dx.doi. org/10.3389/feart.2015.00033. *

Gemmological characteristics of grossular jade as jadeite imitation. J. Liu, R. Li, M. Xie and Z. Xu, Journal of Gems & Gemmology, 16(6), 2014, 47-50 (in Chinese with English abstract).

The identification of a kind of amber-plastic mixture. G. Fan, F. Yu, S. Weng and M. Sun, Acta Petrologica et Mineralogica, 33(2), 2014, 140-146 (in Chinese with English abstract).

Identification of lab-grown diamonds. KookWhee Kwak, Young Wook Ju and SeWoom Oh, Journal of the Gemmological Association of Hong Kong, 36, 2015, 53-57, www.gahk.org/journal/ GAHK_Journal_2015_v5.pdf. *

A marriage of science and art: Creating quartz specimens in the laboratory. J.H. Clifford and V.A. Klipov, Rocks & Minerals, 90(4), 379-385, http://dx. doi.org/10.1080/00357529.2015.1012958.

NDT breaking the 10 carat barrier: World record faceted and gem-quality synthetic diamonds investigated. B. Deljanin, M. Alessandri, A. Peretti and M. Astrom, Contributions to Gemology, 15, 2015, 1-7, www.gemresearch.ch/news/2015-07-21_NDT_Diamonds_HPHT/NDT_Diamonds_HPHT.pdf. *

Synthetic gem quality diamonds: The product, the perception, and the retailer. G.A. Roskin, GemGuide, 34(4), 2015, 8-10.

Treatments

A tentative discussion on Zachery-treated turquoise. L. Sun, A. Ling, F. Yu, Z. He and W. Ma, Acta Petrologica et Mineralogica, 33(2), 2014, 165-171 (in Chinese with English abstract).

Compilations

G&G Micro-World. Amber with mite inclusion * Apatite 'pinata' * Iridescent musgravite * Cat's-eye phenakite * Unusual pink sapphire bead * Bicoloured double-eye tourmaline. Gems & Gemology, 51(2), 2015, 190-197, www.gia.edu/gems-gemology. *

Gem News International. Diamond-bearing eclogite xenoliths * Cat's-eye calcite from Pakistan * Large chatoyant Brazilian emerald * Nonbeadcultured pearls from Strombus gigas * Purple scapolite * Synthetic star sapphire with diffusion-induced colour and star * Partially filled blue chalcedony * Presumably oiled ruby * Inclusions in synthetic star sapphire * Diamond slices * Large Namibian demantoid * Nephrite from British Columbia * Baroque cultured pearls * Ruby from Namya, Myanmar * Rock Creek sapphire update * Unusual tourmaline necklace * Conference reports. Gems & Gemology, 51(2), 2015, 198-219, www.gia. edu/gems-gemology. *

Lab Notes. Intense blue diamond with high boron level * Type IIb grey-purple diamond * Fluorite sphere with phosphorescent coating * Assembled and bead-cultured pearls * Strong pinkish purple freshwater bead-cultured pearls * Beryllium-diffused and lead-glass-filled orange sapphire * LPHT-annealed pink CVD synthetic diamonds * Near-colourless melee-sized HPHT synthetic diamonds * Phosphorescence of synthetic sapphire * Chemical analysis of zircon. Gems & Gemology, 51(2), 2015, 176-188, www.gia.edu/gems-gemology. *

Conference Proceedings

AMBERIF 2015--The 22th Seminar on Succinite and Selected Fossil Resins of Europe: Localities, Properties, Archaeology. Gdansk, Poland, 27 March 2015, www.amberif.amberexpo. pl/mtgsa2010/library/File/AMBERIF/2015/ Amberif_2015_en1_EWW.pdf. *

34th International Gemmological Conference. Vilnius, Lithuania, 26-30 August 2015, www.igcgemmology.net/proceedings. *

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Author:Laurs, Brendan
Publication:The Journal of Gemmology
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Date:Sep 1, 2015
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