Rock Identifier
Spessartine Garnet (Mn3Al2(SiO4)3) — mineral
mineral

Spessartine Garnet

Mn3Al2(SiO4)3

AI-generated identification · may be incorrect

Mohs hardness of 6.5 to 7.5. Color ranges from orange to reddish-brown with a vitreous luster and no true cleavage.

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Physical properties

Mohs hardness of 6.5 to 7.5. Color ranges from orange to reddish-brown with a vitreous luster and no true cleavage.

Formation & geological history

Forms in granitic pegmatites and metamorphic environments via regional or contact metamorphism.

Uses & applications

Used primarily as a gemstone in jewelry and as an abrasive material in industrial applications.

Geological facts

Named after the Spessart region in Germany, it is one of the more vibrant member species of the garnet group.

Field identification & locations

Identified by its distinctive orange color, high refractive index, and conchoidal fracture. Found in pegmatites globally, including Madagascar and Brazil.