Rock Identifier
Tumbled rose quartz (Quartz, silicon dioxide (SiO₂), pink variety) — mineral
mineral

Tumbled rose quartz

Quartz, silicon dioxide (SiO₂), pink variety

AI-generated identification · may be incorrect

Mohs hardness 7; pale pink, translucent to semi-transparent, with a vitreous-to-waxy luster and conchoidal fracture. Quartz is trigonal, though tumbled pieces show no crystal faces; the color commonly comes from microscopic inclusions or structural defects.

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Physical properties

Mohs hardness 7; pale pink, translucent to semi-transparent, with a vitreous-to-waxy luster and conchoidal fracture. Quartz is trigonal, though tumbled pieces show no crystal faces; the color commonly comes from microscopic inclusions or structural defects.

Formation & geological history

Forms mainly in hydrothermal quartz veins and granitic pegmatites, crystallizing from silica-rich fluids during Precambrian to younger geological events. This rounded specimen has been mechanically tumbled and polished.

Uses & applications

Used for cabochons, beads, carvings, ornaments, and metaphysical collecting; quartz is also important industrially in glass, ceramics, electronics, and abrasives.

Geological facts

Rose quartz commonly lacks well-formed crystals and may fade with prolonged sunlight or heating. Its pink color is distinct from purple amethyst and often less saturated than pink beryl (morganite).

Field identification & locations

Identify it by its uniform pale pink color, glassy translucence, hardness, and lack of cleavage; it should scratch ordinary glass but not be scratched by a steel knife. Common sources include Brazil, Madagascar, India, and South Africa.