
mineral
Quartz Crystal Cluster
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 no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, clear to white color, vitreous luster, hexagonal crystal system, and no true cleavage.
Formation & geological history
Forms from hydrothermal solutions or cooling magma in various geological environments worldwide across multiple geological eras.
Uses & applications
Widely used in electronics, oscillators, glassmaking, abrasives, and as ornamental gemstones or mineral specimens.
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 globally in veins, pegmatites, and sedimentary rocks.