天然および合成の新種の宝石類(1945年以降)-1-

概要

論文の詳細を見る
Gemmological properties and keys for identification of new gemstones, both natural and synthetic, which have been discovered or appeared in the gem market after the 2nd World War are described briefly, together with short descriptions of the histories of their discovery and syntheses. Descriptions are given of the followings: brazilianite, amblygonite, greened amethyst, chrysoberyl cat's eye and alexandrite from Brazil, Brazilian emerald. Brazilian opal. Brazilian (or Maxixe) aquamaline, taafeite, sinhalite, ekanite, painite, chrome diopside, Russian emerald, tugtupite, blue zoisite, grossularite, rhodolite. Tanzanian corundum, chrome tourmaline. Manyara emerald and alexandrite, red tourmaline from Kenya, nephrite cat's eye, green dyed quartzite (natural) ; man-made diamond, synthetic ruby, synthetic red spinel, synthetic emerald, colourless synthetic stones for diamond imitation. Gilson tourquois, Gilson opal, synthetic alexandrite, synthetic blue quartz, synthetic citrine, synthetic amethyst (synthetic).
宝石学会(日本)の論文
1974-10-15