chalcocite 是什么意思

	n. 【矿物】辉铜矿。

a heavy grey mineral that is an ore of copper
同义词：copper glance,

Chalcocite, copper(I) sulfide (Cu2S), is an important copper ore mineral. It is opaque, being colored dark-gray to black with a metallic luster.

	1.	In elny in usa 15% of the chalcocite was oxidized in one year down to 15m depth . 在美国埃尔尼，一年中有15%的辉铜矿被氧化至15米的深处。
	2.	In elny in usa 15 % of the chalcocite was oxidized in one year down to 15m depth 在美国埃尔尼，一年中有15 %的辉铜矿被氧化至15米的深处。
	3.	The main metals mineral are chalcopyrite , the next clinohedrite , alpha chalcocite bornite , malachite and azurite . a little amount blende , galena incidentally ryby silver , bismuth 矿石中主要金属矿物为黄铜矿、其次为黝铜矿、兰辉铜矿、斑铜矿及铜的氧化物孔雀石、蓝铜矿。闪锌矿、方铅矿少量，偶见淡红银矿、硫酸钮矿。

chalcocite是什么意思