igneous
Granite with Quartz Vein
Intrusive igneous rock with quartz hydrothermal vein
AI-generated identification · may be incorrectHardness of 6-7 on the Mohs scale, phaneritic texture with pink feldspar, clear quartz, and black biotite mica, featuring a prominent white quartz vein. Luster is vitreous to dull.
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Physical properties
Hardness of 6-7 on the Mohs scale, phaneritic texture with pink feldspar, clear quartz, and black biotite mica, featuring a prominent white quartz vein. Luster is vitreous to dull.
Formation & geological history
Formed through the slow cooling of magma deep beneath the Earth's surface, later fractured and intruded by hydrothermal silica-rich fluids forming the quartz vein.
Uses & applications
Used primarily in construction, countertops, monument building, and as a decorative specimen for collectors.
Geological facts
The contrasting white mineral vein represents a later geological event where mineral-rich water filled and crystallized inside a fracture within the solid granite.
Field identification & locations
Easily identified by the interlocking mineral crystals of pink, black, and white cut through by a distinct quartz band; commonly found in glacial till and riverbeds.
