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Rhyolite
Rhyolite
Other Names:
Rhyolite
Pronunciation:
rai-ow-lite
Type:
Igneous rock
Classification:
Extrusive igneous
Chemical Formula/Composition:
predominantly silica as well as potassium and sodium
Luster:
Dull
Color:
typically light colored
Transparency:
Opaque
Mohs Hardness:
6 - 7
Fracture/Cleavage:
various, brittle, conchoidal
Uses:
crushed stone or landscaping
Key Features:
Light colored, high silica content, volcanic rock, fine grained
Sources:
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