metamorphic
Garnet in Matrix
Almandine garnet in quartz-feldspar matrix
AI-generated identification · may be incorrectHardness 6.5-7.5 for garnet; deep red to brown color; vitreous luster; isometric crystal system with conchoidal fracture.
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Physical properties
Hardness 6.5-7.5 for garnet; deep red to brown color; vitreous luster; isometric crystal system with conchoidal fracture.
Formation & geological history
Formed through regional metamorphism of argillaceous sediments under high temperature and pressure conditions.
Uses & applications
Used as an abrasive in waterjets, gemstone jewelry, and as a mineral specimen for collectors.
Geological facts
Garnet is the birthstone for January and has been used as a gemstone since the Bronze Age.
Field identification & locations
Identify by dark red, dodecahedral crystal shapes embedded in lighter metamorphic host rocks like schist or gneiss. Commonly found worldwide.
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