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-translucent, with a vitreous luster and typically massive rather than visibly crystalline structure. Quartz has no true cleavage and conchoidal fracture; density is about 2.65 g/cm³.

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Physical properties

Mohs hardness 7; pale pink, translucent to semi-translucent, with a vitreous luster and typically massive rather than visibly crystalline structure. Quartz has no true cleavage and conchoidal fracture; density is about 2.65 g/cm³.

Formation & geological history

Rose quartz forms mainly in granitic pegmatites and hydrothermal veins when trace elements, inclusions, or irradiation produce its pink color. Most specimens are Precambrian to Phanerozoic, though a precise age requires locality information.

Uses & applications

Used as an ornamental and lapidary stone, in carvings, beads, cabochons, and metaphysical collectibles; it has little industrial value compared with ordinary quartz.

Geological facts

The specimen is polished and rounded by tumbling, obscuring natural fracture and crystal faces. Its color may arise from microscopic inclusions of dumortierite-like material or other trace constituents.

Field identification & locations

Identify it by its gentle pink color, glassy luster, translucency, and inability to scratch with a steel knife; a quartz crystal or glass imitation requires additional testing. Common sources include Brazil, Madagascar, South Africa, India, and the United States.