mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on 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 Mohs scale, vitreous luster, hexagonal crystal system, conchoidal fracture, and specific gravity of 2.65.
Formation & geological history
Formed in a wide range of geological environments, including igneous, metamorphic, and sedimentary rocks, often crystallizing from hydrothermal solutions.
Uses & applications
Used extensively in electronics, glassmaking, precision instruments, and as a popular gemstone or lapidary material.
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, conchoidal fracture, and lack of cleavage; found globally in nearly all rock types.
