Rock Identifier
Bronzite (Magnesian Enstatite ((Mg,Fe2+)SiO3)) — mineral
mineral

Bronzite

Magnesian Enstatite ((Mg,Fe2+)SiO3)

AI-generated identification · may be incorrect

Hardness of 5.5 on the Mohs scale, with a bronze-brown to dark green color and a characteristic submetallic or pearly luster on cleavage surfaces. It crystallizes in the orthorhombic system and exhibits distinct cleavage.

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Physical properties

Hardness of 5.5 on the Mohs scale, with a bronze-brown to dark green color and a characteristic submetallic or pearly luster on cleavage surfaces. It crystallizes in the orthorhombic system and exhibits distinct cleavage.

Formation & geological history

Forms in mafic and ultramafic igneous rocks like peridotites and gabbros, as well as in certain metamorphic environments through the alteration of pyroxenes.

Uses & applications

Commonly used as a decorative stone, polished gemstone, or tumbled stone in jewelry and for crystal healing collections.

Geological facts

The distinctive metallic sheen of bronzite is caused by submicroscopic iron-rich inclusions aligned parallel to the cleavage planes.

Field identification & locations

Identified by its characteristic bronze sheen and cleavage; found notably in South Africa, Austria, and the USA.