mineral
Garnet
Silicate mineral group (e.g., Almandine, Fe3Al2(SiO4)3)
AI-generated identification · may be incorrectHardness of 6.5-7.5 on the Mohs scale, deep red to brown color, vitreous to sub-adamantine 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 6.5-7.5 on the Mohs scale, deep red to brown color, vitreous to sub-adamantine luster, and isometric crystal system.
Formation & geological history
Forms in metamorphic rocks like schist and gneiss via regional metamorphism, as well as in igneous and sedimentary environments.
Uses & applications
Widely used as an abrasive in waterjet cutting and sandblasting, as well as a semi-precious gemstone in jewelry.
Geological facts
Garnets have been used as gemstones since the Bronze Age and often occur as distinct dodecahedron or trapezohedron crystals embedded in host rock.
Field identification & locations
Identify by its distinctive crystal habit, high hardness, lack of cleavage, and characteristic dark red or brownish-red color in metamorphic terrains.
