mineral
White Quartz
Quartz (Silicon Dioxide, SiO2)
Hardness of 7 on the Mohs scale, milk-white to translucent color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, and a specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, milk-white to translucent color, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, and a specific gravity of 2.65.
Formation & geological history
Forms in a wide variety of geological environments including igneous, metamorphic, and sedimentary rocks, most commonly crystallizing from hydrothermal solutions or magma.
Uses & applications
Used in electronics, glassmaking, abrasive materials, gemstone carving, and ornamental displays.
Geological facts
Quartz is one of the most abundant and durable minerals in the Earth's continental crust and is resistant to both mechanical and chemical weathering.
Field identification & locations
Easily identified by its high hardness (scratches glass), lack of cleavage, and conchoidal fracture. Commonly found in riverbeds, beaches, and quartz veins worldwide.
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