
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, transparent to opaque, with a hexagonal crystal system and conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, transparent to opaque, with a hexagonal crystal system and conchoidal fracture.
Formation & geological history
Forms in virtually all geological environments, often crystallizing from silica-rich hydrothermal veins and magma.
Uses & applications
Widely used in electronics, glassmaking, abrasive powders, and as a semi-precious gemstone in jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and distinct conchoidal fracture; found worldwide.