Rock Identifier
Rose quartz (Quartz (silicon dioxide, SiO₂), pink variety) — mineral
mineral

Rose quartz

Quartz (silicon dioxide, SiO₂), pink variety

AI-generated identification · may be incorrect

Hardness 7 Mohs; pale pink, translucent to transparent, with a vitreous luster and massive rather than obvious crystal structure. Quartz has no cleavage and displays conchoidal fracture; the specimen appears rough and naturally fractured.

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Physical properties

Hardness 7 Mohs; pale pink, translucent to transparent, with a vitreous luster and massive rather than obvious crystal structure. Quartz has no cleavage and displays conchoidal fracture; the specimen appears rough and naturally fractured.

Formation & geological history

Forms mainly in granitic pegmatites and hydrothermal veins when silica-rich fluids crystallize; its pink color commonly results from microscopic inclusions or trace elements. Rose quartz deposits range from Precambrian to younger geological ages.

Uses & applications

Used for carvings, beads, cabochons, decorative stone, and mineral collecting; it is also popular as an inexpensive gemstone and ornamental material.

Geological facts

Unlike crystalline quartz varieties, most rose quartz is massive and rarely forms well-developed crystal faces. Its color can fade with prolonged strong sunlight or heat.

Field identification & locations

Identify by its pink color, glassy luster, lack of cleavage, conchoidal fracture, and inability to be scratched by steel; glass can resemble it but is softer or comparable. Common sources include Brazil, Madagascar, India, and South Dakota.