metamorphic
Quartzite
Metamorphic Quartz Rock (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, color ranges from white to grey with vitreous luster, granular crystal structure, conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, color ranges from white to grey with vitreous luster, granular crystal structure, conchoidal fracture.
Formation & geological history
Formed from quartz sandstone subjected to high heat and pressure during tectonic metamorphism.
Uses & applications
Used in construction, as a decorative stone, aggregate, and in the manufacturing of glass and silica bricks.
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 a knife and lack of effervescence with acid. Commonly found in mountainous regions and regional sedimentary basins.
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