metamorphic
Red Quartzite
Metamorphic Quartz Sandstone (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, reddish-pink color due to iron oxide impurities, vitreous to dull luster, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, reddish-pink color due to iron oxide impurities, vitreous to dull luster, and conchoidal fracture.
Formation & geological history
Formed from quartz-rich sandstone subjected to intense heat and pressure during regional metamorphism.
Uses & applications
Used primarily in construction, road aggregate, and decorative landscaping.
Geological facts
Quartzite is extremely durable and resistant to chemical weathering, often forming prominent mountain ridges.
Field identification & locations
Identified by its inability to be scratched by steel and its granular, sugary texture on broken surfaces. Found worldwide in ancient orogenic belts.
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