
mineral
Quartz (Tumbled)
SiO2 (Silicon Dioxide)
AI-generated identification · may be incorrectHardness: 7, Color: variable (appears light pinkish/grayish here), Luster: vitreous (glassy), Crystal structure: hexagonal, Cleavage: none, Specific gravity: 2.65
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Physical properties
Hardness: 7, Color: variable (appears light pinkish/grayish here), Luster: vitreous (glassy), Crystal structure: hexagonal, Cleavage: none, Specific gravity: 2.65
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments. Often found as rounded river stones or tumbled artificially.
Uses & applications
Used in jewelry, decorative items, electronics, and construction.
Geological facts
Quartz is one of the most common minerals in the Earth's continental crust.
Field identification & locations
Identified by its hardness (scratches glass) and lack of cleavage. Commonly found worldwide.