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

Rose quartz

Quartz, silicon dioxide (SiO₂)

AI-generated identification · may be incorrect

Typically pale pink, translucent, and vitreous with indistinct cleavage and irregular conchoidal fracture; Mohs hardness 7, trigonal crystal structure, and specific gravity about 2.65. The specimen appears to be a rough, lightly translucent pink quartz fragment.

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Physical properties

Typically pale pink, translucent, and vitreous with indistinct cleavage and irregular conchoidal fracture; Mohs hardness 7, trigonal crystal structure, and specific gravity about 2.65. The specimen appears to be a rough, lightly translucent pink quartz fragment.

Formation & geological history

Forms mainly in granitic pegmatites and hydrothermal veins when silica-rich fluids crystallize; its pink color commonly results from trace elements or microscopic inclusions. Individual crystals may be hundreds of millions to billions of years old, depending on the host rock.

Uses & applications

Used as ornamental stone, carvings, beads, cabochons, and inexpensive jewelry; massive rose quartz is also popular as a lapidary and meditation specimen.

Geological facts

Unlike many quartz varieties, rose quartz is usually massive rather than sharply crystallized. Its color can fade with prolonged sunlight or heat.

Field identification & locations

Common in Brazil, Madagascar, India, South Africa, and the United States. Identify it by pink color, glassy luster, hardness sufficient to scratch ordinary glass, and lack of strong cleavage; an acid test is unnecessary.