metamorphic
Quartzite
Quartzite
Hardness: 7, Color: Reddish-brown with white veining, Luster: Vitreous to dull, Crystal structure: Massive/granular
- Luster
- Vitreous to dull, Crystal structure: Massive/granular
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Physical properties
Hardness: 7, Color: Reddish-brown with white veining, Luster: Vitreous to dull, Crystal structure: Massive/granular
Formation & geological history
Formed by metamorphism of quartz sandstone under high heat and pressure
Uses & applications
Used in construction, landscaping, and as a decorative stone
Geological facts
Quartzite is highly resistant to weathering and often forms ridges and hilltops in mountainous areas.
Field identification & locations
Identified by its hardness (scratches glass), granular texture, and lack of foliation. Commonly found in areas with a history of regional metamorphism.
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