metamorphic
Quartzite Pebble
Metamorphic Quartz
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, grayish-white color with dark banding, vitreous luster, compact non-foliated granular structure.
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Physical properties
Hardness of 7 on the Mohs scale, grayish-white color with dark banding, vitreous luster, compact non-foliated granular structure.
Formation & geological history
Formed from quartz-rich sandstone subjected to intense heat and pressure during regional metamorphism.
Uses & applications
Used primarily in landscaping, decorative stone, and occasionally as a tumbling or lapidary specimen.
Geological facts
Quartzite is extremely durable and resistant to chemical weathering, often outlasting the mountains it originated from.
Field identification & locations
Identified by its extreme hardness, inability to be scratched by a knife, and conchoidal fracture. Found globally in ancient mountain belts.
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