出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2010/12/13 19:06 UTC 版)
Calumetite is a natural rarely occurring mineral. It was discovered in 1963 at the Centennial Mine near Calumet, Michigan, United States. Calumetite was first discovered along with anthonyite. It has a chemical formula of Cu(OH,Cl)2•2(H2O).