mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through cooling magmas or precipitation from silica-rich solutions.
Uses & applications
Widely used in electronics, glassmaking, precision instruments, and gemstone jewelry or ornamental carving.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Easily identified by its high hardness, lack of cleavage, and distinct crystal habit; found globally in nearly all rock types.
