
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and lack of cleavage. Specific gravity is 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and lack of cleavage. Specific gravity is 2.65.
Formation & geological history
Formed in a wide range of geological environments, frequently crystallizing from silica-rich hydrothermal veins and igneous pegmatites.
Uses & applications
Used extensively in electronics, glassmaking, precision instruments, and gemstone carving.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified easily by its high hardness, conchoidal fracture, and hexagonal crystal habit when well-formed.