
mineral
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7, transparent to translucent with vitreous luster, hexagonal crystal system, and no cleavage.
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Physical properties
Mohs hardness of 7, transparent to translucent with vitreous luster, hexagonal crystal system, and no cleavage.
Formation & geological history
Formed from hydrothermal solutions cooling within Earth's crust over millions of years.
Uses & applications
Used in electronics, oscillators, jewelry, and as highly valued mineral specimens for display.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its distinct hexagonal crystal habit and hardness capable of scratching glass; commonly found worldwide.