おうどうこう
黄銅鉱
1. copper pyrites; fool's gold; chalcopyrite
2. ChalcopyriteChalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has the chemical composition CuFeS2. It has a brassy to golden yellow color and a hardness of 3.5 to 4 on the Mohs scale. Its streak is diagnostic as green tinged black. On exposure to air, chalcopyrite oxidises to a variety of oxides, hydroxides and sulfates.
Read “Chalcopyrite” on English Wikipedia
Read “黄銅鉱” on Japanese Wikipedia
Read “Chalcopyrite” on DBpedia
Read “Chalcopyrite” on English Wikipedia
Read “黄銅鉱” on Japanese Wikipedia
Read “Chalcopyrite” on DBpedia
Discussions
Log in to talk about this word.