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出典:Wiktionary
vulcanite (countable かつ uncountable, 複数形 vulcanites)
出典:Wikipedia
出典:『Wikipedia』 (2011/02/09 08:06 UTC 版)
Vulcanite is a rare copper telluride mineral. The mineral has a metallic luster, and is a green or bronze-yellow shade. It has a hardness between 1 and 2 on the Moh's scale (between talc and gypsum). Its crystal structure is orthorhombic.
vulcanite