mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, clear to white color, vitreous luster, trigonal crystal system, and conchoidal fracture with no cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, clear to white color, vitreous luster, trigonal crystal system, and conchoidal fracture with no cleavage.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments through the crystallization of silica-rich melts or hydrothermal solutions.
Uses & applications
Widely used in electronics, glassmaking, abrasives, and as a semi-precious gemstone in jewelry.
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 (scratches glass), conchoidal fracture, and lack of cleavage.
