mineral

Quartz-rich mineral fragment

Quartz (silicon dioxide, SiO₂), possibly milky quartz

AI-generated identification · may be incorrect

Pale bluish-white, translucent, and glassy to dull; likely Mohs hardness 7, with no cleavage and conchoidal fracture. The blurred image does not resolve crystal form or confirm the mineral with certainty.

Identified August 8, 2026More mineral →

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Physical properties

Formation & geological history

Quartz forms in igneous, metamorphic, and hydrothermal environments through silica-rich crystallization; its age depends on the host rock and may range from Precambrian to recent. The fragment appears embedded in a coarse, weathered rock or sediment.

Uses & applications

Quartz is used in glass, ceramics, electronics, abrasives, and engineered stone; attractive pieces are collected or cut as gemstones. This small, uncrystalline fragment has minimal commercial value.

Geological facts

Milky appearance commonly results from microscopic fluid inclusions or fractures scattering light. Quartz is one of Earth’s most abundant and chemically resistant minerals.

Field identification & locations

Identify by hardness, lack of cleavage, glassy luster, and ability to scratch ordinary glass; a steel nail should not scratch it. Common worldwide, especially in granite, pegmatites, quartz veins, and sedimentary gravels.