igneous
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale. White to clear color with dark matrix, vitreous luster, and hexagonal crystal system.
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Physical properties
Hardness of 7 on Mohs scale. White to clear color with dark matrix, vitreous luster, and hexagonal crystal system.
Formation & geological history
Formed by hydrothermal fluids precipitating silica into fractures within preexisting rock over millions of years.
Uses & applications
Used in electronics, optical components, gemstone carving, and mineral specimen collecting.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Easily identified in the field by its high hardness (scratches glass) and conchoidal fracture. Found worldwide.
