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

Tumbled rose quartz

Rose quartz (pink quartz), silicon dioxide, SiO₂

AI-generated identification · may be incorrect

Mohs hardness 7; pale pink, translucent to cloudy, with a vitreous luster and conchoidal fracture. It is usually massive rather than visibly crystalline and has no cleavage; specific gravity is about 2.65.

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Physical properties

Mohs hardness 7; pale pink, translucent to cloudy, with a vitreous luster and conchoidal fracture. It is usually massive rather than visibly crystalline and has no cleavage; specific gravity is about 2.65.

Formation & geological history

Forms mainly in granitic pegmatites and hydrothermal veins, where trace elements and microscopic inclusions produce the pink color. Specimen age depends on its host rock, commonly Paleozoic to Precambrian.

Uses & applications

Used for carvings, beads, ornaments, decorative stone, and inexpensive cabochons; tumbled pieces are mainly collectible or metaphysical items.

Geological facts

The pink color is commonly linked to nanoscale inclusions of dumortierite-like material or related defects, rather than simple manganese impurities. Rose quartz is distinct from rarer, well-crystallized pink quartz.

Field identification & locations

Identify it by its uniform pink color, glassy surface, hardness sufficient to scratch ordinary glass, and lack of cleavage; dyed glass or calcite may imitate it. Common sources include Brazil, Madagascar, India, South Africa, and the United States.