mineral

White quartz-rich rock, possibly milky quartz

Quartz (SiO₂), likely massive milky quartz; identification is uncertain from the image

AI-generated identification · may be incorrect

Pale white to translucent with a vitreous luster and irregular fracture; quartz has Mohs hardness 7, a trigonal crystal structure, and no cleavage. The dark patches may be inclusions or surface staining.

Identified September 23, 2026More mineral →

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Physical properties

Formation & geological history

Quartz commonly crystallizes from silica-rich fluids in veins and cavities, or occurs in igneous and metamorphic rocks. Its age and specific formation setting cannot be determined from the photograph.

Uses & applications

Quartz is used in glassmaking, electronics, abrasives, and as a decorative or collectible mineral; attractive pieces may be cut or polished.

Geological facts

Milky appearance typically results from microscopic fluid or gas inclusions that scatter light.

Field identification & locations

Look for hardness sufficient to scratch glass and absence of cleavage; a closer view or hardness test would help distinguish quartz from other pale rocks. Quartz occurs worldwide in veins and many rock types.