mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and hexagonal crystal system. Specific gravity is 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and hexagonal crystal system. Specific gravity is 2.65.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich solutions or melts.
Uses & applications
Used in electronics, glassmaking, abrasives, gemstones, and decorative items.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identify by its lack of cleavage, high hardness, and ability to scratch glass. Common globally and highly plausible in the Brazilian Atlantic Forest region.
