きどうこう
輝銅鉱
1. vitreous copper; copper glance; chalcocite
2. ChalcociteChalcocite, copper(I) sulfide (Cu2S), is an important copper ore mineral. It is opaque, being colored dark-gray to black with a metallic luster. It has a hardness of 2½ - 3. It is a sulfide with an orthorhombic crystal system. The term chalcocite comes from the alteration of the obsolete name chalcosine, from the Greek khalkos, meaning copper. It is also known as redruthite, vitreous copper and copper-glance.
Read “Chalcocite” on English Wikipedia
Read “輝銅鉱” on Japanese Wikipedia
Read “Chalcocite” on DBpedia
Read “Chalcocite” on English Wikipedia
Read “輝銅鉱” on Japanese Wikipedia
Read “Chalcocite” on DBpedia
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