mineral
Tumbled rose quartz
Quartz, silicon dioxide (SiO₂), pink variety
AI-generated identification · may be incorrectMohs 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.
