
igneous
Quartz in Matrix
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, colorless to white quartz crystals embedded in a dark basalt or schist host rock, hexagonal crystal system.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, colorless to white quartz crystals embedded in a dark basalt or schist host rock, hexagonal crystal system.
Formation & geological history
Formed through hydrothermal vein deposition where silica-rich fluids crystallized within fractures of pre-existing host rock.
Uses & applications
Used in mineral collecting, lapidary arts, and gemstone display specimens.
Geological facts
Quartz is one of the most abundant and versatile minerals in Earth's continental crust, exhibiting piezoelectric properties.
Field identification & locations
Easily identified by its hardness of 7 scratching glass and contrast against the darker host matrix, found worldwide.