mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, transparent to translucent with a 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, transparent to translucent with a vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Forms in a wide variety of geological environments, most notably in igneous, metamorphic, and sedimentary rocks.
Uses & applications
Used extensively in electronics, glassmaking, abrasives, and as a gemstone or collector mineral.
Geological facts
Quartz is one of the most abundant and widely distributed minerals found on Earth's continental crust.
Field identification & locations
Identified easily by its high hardness (scratches glass), conchoidal fracture, and lack of cleavage. Found worldwide.
