igneous
Granite Drill Core
Intrusive Igneous Rock
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, granular phaneritic texture with visible quartz, feldspar, and biotite grains, vitreous luster.
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Physical properties
Hardness of 6 on the Mohs scale, granular phaneritic texture with visible quartz, feldspar, and biotite grains, vitreous luster.
Formation & geological history
Formed from the slow cooling and crystallization of magma beneath the Earth's continental crust over millions of years.
Uses & applications
Used in geotechnical exploration core logging, architectural dimension stone, and monument construction.
Geological facts
This specimen is presented as a cylindrical core sample extracted during diamond core drilling operations for mineral exploration.
Field identification & locations
Commonly identified by its interlocking crystalline texture and light-colored felsic minerals; highly abundant in the Earth's continental crust.
