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

Typically translucent to transparent pink with a vitreous luster; hardness 7 Mohs, hexagonal crystal structure, no cleavage, conchoidal fracture, and specific gravity about 2.65. This specimen appears rough and massive, with pale pink coloration and weathered surfaces.

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Physical properties

Typically translucent to transparent pink with a vitreous luster; hardness 7 Mohs, hexagonal crystal structure, no cleavage, conchoidal fracture, and specific gravity about 2.65. This specimen appears rough and massive, with pale pink coloration and weathered surfaces.

Formation & geological history

Forms mainly in granitic pegmatites and hydrothermal veins as quartz-rich magma or fluids cool; its pink color commonly results from microscopic inclusions or trace elements. Most specimens are Precambrian to younger, depending on locality.

Uses & applications

Used for ornamental stone, carvings, beads, cabochons, and inexpensive jewelry; massive material is also used decoratively and as mineral specimens.

Geological facts

Rose quartz rarely forms well-developed crystals; the common massive variety differs from crystalline pink quartz, whose color can be more light-sensitive. Color intensity varies considerably.

Field identification & locations

Identify it by pink color, glassy fracture, lack of cleavage, and inability to scratch it with a steel knife; it should scratch ordinary glass. Common sources include Brazil, Madagascar, South Africa, India, and the United States.