igneous
Granite with Pegmatite
Felsic intrusive igneous rock
AI-generated identification · may be incorrectHardness of 6-7 on Mohs scale, multicolored with white, gray, and orange-brown tones due to weathering, vitreous to dull luster, and phaneritic coarse-grained crystal structure.
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Physical properties
Hardness of 6-7 on Mohs scale, multicolored with white, gray, and orange-brown tones due to weathering, vitreous to dull luster, and phaneritic coarse-grained crystal structure.
Formation & geological history
Formed through the slow cooling and crystallization of magma beneath the Earth's crust over millions of years.
Uses & applications
Used primarily in construction, countertops, architectural facing, and monument building.
Geological facts
Pegmatite veins often contain rare minerals and exceptionally large crystals compared to standard granite.
Field identification & locations
Easily identified by interlocking quartz, feldspar, and mica crystals; common in continental shields and mountainous regions.
