metamorphic
Quartzite
Quartzite
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, varying colors (often white, gray, reddish, or greenish due to impurities), vitreous luster, granular texture, massive structure.
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Physical properties
Hardness of 7 on Mohs scale, varying colors (often white, gray, reddish, or greenish due to impurities), vitreous luster, granular texture, massive structure.
Formation & geological history
Formed from the metamorphism of quartz-rich sandstone under high heat and pressure, typically in tectonic convergence zones.
Uses & applications
Used in construction as crushed stone, dimension stone, flooring, and decorative rock. Also used in glassmaking and industrial applications.
Geological facts
Quartzite is extremely durable and resistant to chemical weathering, often forming prominent ridges and peaks in mountainous regions.
Field identification & locations
Identified by its hardness (scratches glass), granular sugary appearance, and conchoidal fracture. Commonly found in metamorphic terrains worldwide.
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