Minerals identify

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Glaucophane

Inosilicates,sodic amphibole group

Glaucophane is the name of a mineral and a mineral group belonging to the sodic amphibole supergroup of the double chain inosilicates, with the chemical formula ☐Na2(Mg3Al2)Si8O22(OH)2.

Glaucophane crystallizes in the monoclinic system.

Identification

Color of mineral

Grey
Blue
Purple

Mohs scale ( mineral hardness )

6.0

The streak

Blue

Density ( specific gravity )

1.606
1.615
1.627

Luster ( interacts light )

Pearly
Vitreous

Crystal ( diaphaneity )

Monoclinic