Rock Identifier
Quartz (Tumbled) (SiO2 (Silicon Dioxide)) — mineral
mineral

Quartz (Tumbled)

SiO2 (Silicon Dioxide)

AI-generated identification · may be incorrect

Hardness: 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.

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