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

Tumbled rose quartz

Quartz, silicon dioxide (SiO₂), rose-colored variety

AI-generated identification · may be incorrect

Typically pale pink, translucent to opaque, with a vitreous luster and massive rather than obvious crystal structure; Mohs hardness 7, no cleavage, conchoidal fracture, and specific gravity about 2.65. The surrounding host appears to be coarse granite or pegmatite.

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Physical properties

Typically pale pink, translucent to opaque, with a vitreous luster and massive rather than obvious crystal structure; Mohs hardness 7, no cleavage, conchoidal fracture, and specific gravity about 2.65. The surrounding host appears to be coarse granite or pegmatite.

Formation & geological history

Rose quartz forms mainly in granitic pegmatites and hydrothermal veins, with its color commonly linked to microscopic inclusions of dumortierite or related minerals; individual pieces may be Precambrian to younger, depending on the deposit.

Uses & applications

Used for beads, carvings, cabochons, ornaments, and inexpensive jewelry; tumbled pieces are popular as decorative and collecting specimens.

Geological facts

The pink color is generally stable but may fade with prolonged strong sunlight or heating. True rose quartz is usually massive, whereas rare transparent pink quartz crystals are called pink quartz.

Field identification & locations

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