metamorphic
Quartzite
Quartzite
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white, gray, yellowish, or brownish. Vitreous to greasy luster. Massive crystalline structure.
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Physical properties
Hardness of 7 on the Mohs scale, typically white, gray, yellowish, or brownish. Vitreous to greasy luster. Massive crystalline structure.
Formation & geological history
Formed from quartz-rich sandstone subjected to high heat and pressure during metamorphism.
Uses & applications
Used in construction, landscaping, and sometimes as a decorative stone.
Geological facts
Quartzite is extremely durable and resistant to weathering.
Field identification & locations
Identified by its hardness (scratches glass) and sugary texture on fresh breaks. Often found as rounded river cobbles due to its durability.
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