mineral
Quartz Crystal
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, clear to white color, vitreous luster, hexagonal crystal system, and specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, clear to white color, vitreous luster, hexagonal crystal system, and specific gravity of 2.65.
Formation & geological history
Forms primarily from hydrothermal solutions in pegmatites and veins, as well as igneous and metamorphic rocks across various geological eras.
Uses & applications
Widely used in electronics for oscillators, glass manufacturing, abrasives, and ornamental jewelry.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and distinct hexagonal crystal habit. Found worldwide.
