gemstone
Spessartine Garnet
Mn3Al2(SiO4)3
AI-generated identification · may be incorrectHardness of 6.5-7.5 on the Mohs scale, orange to reddish-brown color, vitreous luster, and isometric crystal structure.
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Physical properties
Hardness of 6.5-7.5 on the Mohs scale, orange to reddish-brown color, vitreous luster, and isometric crystal structure.
Formation & geological history
Formed in pegmatites, metamorphic rocks, and granites through high-temperature geological processes over millions of years.
Uses & applications
Widely used as a gemstone in fine jewelry and as an industrial abrasive.
Geological facts
Spessartine gets its vibrant orange color from manganese and is one of the rarer garnet varieties.
Field identification & locations
Identified by its distinct orange hue, high refractive index, and lack of cleavage; found globally in pegmatites and alluvial gravels.
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