mineral

Clear quartz crystal point

Quartz (silicon dioxide, SiO₂), likely a polished or cut crystal

AI-generated identification · may be incorrect

Hardness 7 Mohs; colorless to pale blue with transparent, glassy luster. Quartz is trigonal and commonly has prismatic crystals with conchoidal fracture; this specimen appears artificially shaped/polished, so natural faces may be absent.

Identified August 8, 2026More mineral →

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Physical properties

Formation & geological history

Quartz crystallizes from silica-rich hydrothermal fluids, pegmatites, and igneous cavities over a wide range of geological ages. The rainbow-like flashes may result from internal fractures or coatings rather than natural coloration.

Uses & applications

Used for metaphysical collecting, décor, carving, and occasionally jewelry; industrial quartz is important in glass, electronics, and abrasives. This small decorative point has modest commercial value.

Geological facts

The apparent colors are likely optical interference from fractures or a thin surface coating. Quartz is one of Earth’s most abundant minerals and is the defining mineral of many quartz-rich rocks.

Field identification & locations

Identify it by its exceptional scratch resistance, glassy luster, transparency, and lack of cleavage; it should scratch ordinary glass. Common sources include Brazil, Madagascar, China, and the United States.