metamorphic
Quartzite
Metamorphic Quartz Arenite
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white to gray color, non-foliated texture, and vitreous to greasy luster.
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Physical properties
Hardness of 7 on the Mohs scale, white to gray color, non-foliated texture, and vitreous to greasy luster.
Formation & geological history
Formed through the metamorphism of quartz-rich sandstone under intense heat and pressure over millions of years.
Uses & applications
Used in construction, as crushed stone for roads, dimension stone, and occasionally in decorative objects.
Geological facts
Quartzite is exceptionally durable and weather-resistant, often forming prominent mountain ridges.
Field identification & locations
Can be identified by its scratch resistance against glass and lack of reaction to hydrochloric acid.
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