


锂紫玉的历史与知识
Kunzite is a relative newcomer to the array of colored stones available for use in jewelry.

祖母绿品质要素

Abstracts; Fall 1991
本文摘自《宝石与宝石学》(Gems & Gemology) 1991 年秋季刊,是《宝石与宝石学》(Gems & Gemology) 外部发表的重要宝石学相关文章的摘要汇编。







Sapphire Rush Near Ambatondrazaka, Madagascar (英语)
A newly found deposit of sapphire in Madagascar is explored.

GIA Gübelin(古柏林)宝石项目:各种宝石(钠柱晶石 — 钠沸石)
Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities.


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