Minerals identify

Know how to recognize them

Hellyerite

Carbonate mineral

Hellyerite, NiCO3·6(H2O), is an hydrated nickel carbonate mineral. It is light blue to bright green in colour, has a hardness of 2.5, a vitreous luster, a white streak and crystallises in the monoclinic system. The crystal habit is as platy and mammillary encrustations on its matrix.

Identification

Color of mineral

Blue

Mohs scale ( mineral hardness )

2.5

Density ( specific gravity )

1.455
1.503
1.549

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Monoclinic