igneous/metamorphic
Granite or Quartzite fragment
Granite / Quartzite
AI-generated identification · may be incorrectHardness: 6-7, Color: pink to pale reddish, Luster: dull to slightly glassy depending on composition, rough texture
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Physical properties
Hardness: 6-7, Color: pink to pale reddish, Luster: dull to slightly glassy depending on composition, rough texture
Formation & geological history
Formed from cooling magma deep underground (granite) or from metamorphism of sandstone (quartzite)
Uses & applications
Commonly used in construction, landscaping, and aggregate
Geological facts
A very common rock type found on the Earth's surface, often rounded or weathered when found as gravel.
Field identification & locations
Identify by its hardness and granular texture; common everywhere
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