mineral
Quartz (Tumbled)
Silicon Dioxide (SiO2)
Hardness of 7 on the Mohs scale, color ranges from clear to white or milky, vitreous luster, trigonal crystal system, conchoidal fracture, specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, color ranges from clear to white or milky, vitreous luster, trigonal crystal system, conchoidal fracture, specific gravity of 2.65.
Formation & geological history
Formed in a wide variety of geological environments including igneous, metamorphic, and sedimentary rocks, often crystallizing from silica-rich hydrothermal veins or cooling magma.
Uses & applications
Used in jewelry, ornamental objects, electronics, glassmaking, and metaphysical practices.
Geological facts
Quartz is one of the most abundant and widely distributed minerals found on Earth's continental crust.
Field identification & locations
Can be identified by its high hardness (scratches glass), lack of cleavage, and distinct conchoidal fracture. Found worldwide.
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