Minerals identify

Know how to recognize them

Calumetite

Halide mineral

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(H 2O).

Identification

Mohs scale ( mineral hardness )

2

Crystal ( diaphaneity )

Orthorhombic