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; translucent pink to rose-red, vitreous luster, massive rather than visibly crystalline, and conchoidal fracture with no cleavage. The rounded shape and glossy surface indicate tumbling and polishing.

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Physical properties

Mohs hardness 7; translucent pink to rose-red, vitreous luster, massive rather than visibly crystalline, and conchoidal fracture with no cleavage. The rounded shape and glossy surface indicate tumbling and polishing.

Formation & geological history

Rose quartz forms mainly in granitic pegmatites and hydrothermal veins, with color commonly linked to microscopic inclusions of dumortierite or related minerals. Specimen age depends on its host rock, commonly Precambrian to younger.

Uses & applications

Used as an ornamental stone, beads, cabochons, carvings, and inexpensive metaphysical or collectible material; it has limited industrial use compared with clear quartz.

Geological facts

Rose quartz is typically cloudy and massive, unlike well-formed crystals of crystalline pink quartz. Its color can fade with prolonged intense sunlight or heat.

Field identification & locations

Identify it by its pink color, glassy luster, hardness, and inability to scratch with a steel knife while scratching ordinary glass; beware pink glass or dyed quartz. Common sources include Brazil, Madagascar, India, South Africa, and the United States.