mineral

Likely quartz crystal cluster

Quartz (silicon dioxide, SiO₂)

AI-generated identification · may be incorrect

The blurred specimen appears colorless to grayish with bright vitreous sparkle and possible drusy or cluster-like crystal surfaces. Quartz has Mohs hardness 7, conchoidal fracture, no cleavage, hexagonal crystal structure, and specific gravity about 2.65.

Luster: like crystal surfaces

Identified August 16, 2026More mineral →

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Physical properties

Formation & geological history

Quartz crystals form when silica-rich fluids cool in cavities, veins, or hydrothermal environments; individual specimens may range from ancient to geologically recent. The image is too blurred for confident identification, and it could also be a polished or coated quartz-bearing specimen.

Uses & applications

Used in glass, electronics, abrasives, and engineered stone; attractive clusters are sold as cabinet specimens and occasionally used in jewelry. Common specimens generally have modest commercial value.

Geological facts

The strong glitter may reflect crystal faces, druzy quartz, or surface coating rather than metallic luster. Quartz is one of Earth’s most abundant minerals and occurs in nearly every rock-forming environment.

Field identification & locations

Look for transparent-to-translucent six-sided prisms, pointed terminations, hardness sufficient to scratch glass, and lack of cleavage. Common localities include Brazil, Madagascar, Arkansas, Switzerland, and many hydrothermal veins worldwide.