
mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity of 2.65.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through cooling magmas or precipitation from silica-rich hydrothermal solutions.
Uses & applications
Used in electronics, glassmaking, abrasive materials, and ornamental jewelry.
Geological facts
Quartz is one of the most abundant and varied minerals in Earth's continental crust, existing in numerous crystalline and microcrystalline varieties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and distinct conchoidal fracture; found worldwide in virtually all geological settings.