Minerals identify

Know how to recognize them

Valleriite

Sulfide mineral

Valleriite is an uncommon sulfide mineral (hydroxysulfide) of iron and copper with formula: 4(Fe,Cu)S·3(Mg,Al)(OH)2 It is an opaque, soft, bronze-yellow to brown mineral which occurs as nodules or encrustations.

Identification

Color of mineral

Bronze
Yellow
Grey

Mohs scale ( mineral hardness )

1

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Trigonal