igneous
Quartz in Granite
SiO2 embedded in felsic intrusive rock
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous to greasy luster, white to translucent color, and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous to greasy luster, white to translucent color, and conchoidal fracture.
Formation & geological history
Formed through the slow crystallization of magma deep beneath the Earth's crust over millions of years.
Uses & applications
Used in construction aggregates, ornamental countertops, and as a source of industrial silica.
Geological facts
Quartz is one of the most abundant and durable minerals in the Earth's continental crust.
Field identification & locations
Identify by its high hardness scratching glass and its glassy texture nestled within a speckled igneous matrix.
