mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with generally pale grey or white coloration in this specimen.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with generally pale grey or white coloration in this specimen.
Formation & geological history
Forms in wide variety of environments including igneous, metamorphic, and sedimentary rocks through crystallization from silica-rich fluids.
Uses & applications
Used extensively in electronics, glassmaking, precision instruments, and as a popular lapidary material or gemstone.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified easily by its high hardness (scratches glass) and lack of cleavage; commonly found worldwide in veins and pegmatites.
