mineral
Garnet
Nesosilicate group (e.g., Almandine Fe3Al2(SiO4)3)
AI-generated identification · may be incorrectHardness of 6.5 to 7.5 on the Mohs scale, deep red to purplish color, vitreous to resinous luster, and isometric crystal system.
Identified More mineral →
Explore Garnet in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 6.5 to 7.5 on the Mohs scale, deep red to purplish color, vitreous to resinous luster, and isometric crystal system.
Formation & geological history
Formed mainly in metamorphic rocks like schists and gneisses through regional or contact metamorphism under high temperature and pressure.
Uses & applications
Widely used as an abrasive in waterjet cutting, sandblasting, and as a semi-precious gemstone in jewelry.
Geological facts
Garnet has been used as a gemstone since the Bronze Age and is the traditional birthstone for January.
Field identification & locations
Identified by its distinct cubic or dodecahedron crystal habit, lack of cleavage, and high hardness. Found globally in metamorphic terranes and alluvial placers.
