Tianhuang, an Unusual Yellow Stone: Dickite or Nacrite?

Autor: Tay Thye Sun1 tay@gem.com.sg, Franz, Leander2, Li Jianjun3
Zdroj: Journal of Gemmology. 2017, Vol. 35 Issue 6, p472-474. 3p.
Databáze: Academic Search Ultimate
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