Mining » Metals' Info » Amphibole Description

Description

Amphibole defines an vital group of generally dark-colored rock-forming inosilicate minerals, composed of double chain SiO4 tetrahedra, linked at the vertices and usually containing ions of iron and/or magnesium in their structures.

Rocks Found In Mineral

Andesitic igneous rocks

Chemical Formula

(Ca2Mg5)Si8O22(OH)2