mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7, colorless or milky white, vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.
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Physical properties
Mohs hardness of 7, colorless or milky white, vitreous luster, hexagonal crystal system, conchoidal fracture with no true cleavage.
Formation & geological history
Forms primarily from cooling magma in igneous rocks or through precipitation in hydrothermal veins and sedimentary environments.
Uses & applications
Widely used in electronics, glass manufacturing, abrasives, and as a popular gemstone or collectible specimen.
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 (scratches glass), lack of cleavage, and distinct conchoidal fracture; found worldwide.
