
Growth Blockages in Cat’s-Eye Beryllonite
A rough colorless beryllonite showed an unusually sharp separation between two regions, caused by minute inclusions deposited during growth that prevented growth of the host mineral.

Sphalerite in Topaz

Tourmaline Termination

Unusual Growth Zoning in Beryl
A striking aquamarine specimen showed a strongly saturated secondary growth layer.
测试

拓帕石的历史与知识
大多数专家都一致认为,托帕石 (topaz) 这个名字来自古老的希腊名 "Topazios",它是红海的一座小岛,现改名为札巴哥德岛 (Zabargad)。 (岛上从未出产过拓帕石,但它曾经是橄榄石的原产地,在现代矿物学发展前,橄榄石与拓帕石被人们所混淆。)



Book Review: Enduring Splendor: Jewelry of India’s Thar Desert
Review of Enduring Splendor: Jewelry of India’s Thar Desert by Thomas K. Seligman and Usha R. Balakrishnan

图书:Exotic Gems(《异域宝石》)第 3 卷 (英语)
Review of Exotic Gems, Vol. 3: How to Identify, Evaluate, Select and Care for Matrix Opal, Fire Agate, Blue Chalcedony, Rubellite Indicolite, Paraíba and Other Tourmalines, by Renee Newman.

书评:《Exotic Gems, Volume 4: How to Identify, Evaluate & Select Jade & Abalone Pearls》(异域宝石第 4 卷:如何鉴定、评估和选择玉和鲍鱼珍珠)
评论《Exotic Gems, Volume 4: How to Identify, Evaluate & Select Jade & Abalone Pearls》(异域宝石第 4 卷:如何鉴定、评估和选择玉和鲍鱼珍珠),作者:Renée Newman(芮妮·纽曼)。

Book Review: Secrets of the Gem Trade, Second Edition
Review of Secrets of the Gem Trade, Second Edition by Richard W. Wise.

Book Review: Italian Jewelry in the 20th Century
Review of Italian Jewelry in the 20th Century by Melissa Gabardi.

Book Review: Jeweled Splendors of the Art Deco Era: The Prince and Princess Sadruddin Aga Khan Collection
Review of Jeweled Splendors of the Art Deco Era: The Prince and Princess Sadruddin Aga Khan Collection by Sarah Davis

书评:《Jeweler: Masters, Mavericks, and Visionaries of Modern Design》(珠宝商:大师赛、小牛队与现代设计的远见者)
评论《Jeweler: Masters, Mavericks, and Visionaries of Modern Design》(珠宝商:大师赛、小牛队与现代设计的远见者),作者 Stellene Volandes。

Book Review: Fine Jewelry Couture: Contemporary Heirlooms
Review of Fine Jewelry Couture: Contemporary Heirlooms by Olivier Dupon.




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