mineral
Spessartine Garnet
Spessartine, Mn3Al2(SiO4)3
AI-generated identification · may be incorrectHardness of 6.5-7.5 on Mohs scale, reddish-orange to brownish-red color, vitreous luster, isometric crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 6.5-7.5 on Mohs scale, reddish-orange to brownish-red color, vitreous luster, isometric crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Forms in metamorphic rocks like-gorges and schist, and in granitic pegmatites through high-temperature crystallization.
Uses & applications
Used primarily as a gemstone in jewelry, and occasionally as an industrial abrasive.
Geological facts
Named after the Spessart region in Germany, it is prized for its vivid mandarin-orange varieties found in Namibia and Nigeria.
Field identification & locations
Identified by its distinctive orange-red color, high refractive index, and crystal habit; commonly found in pegmatites and alluvial gravels worldwide.
