Rock Identifier
Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese) — mineral
mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese

Hardness: 7 on the Mohs scale. Color: Pale pink to rose red. Luster: Vitreous (glassy). Crystal Structure: Hexagonal (Trigonal), though typically found in massive form without visible crystal faces. Cleavage: None (conchoidal fracture). Specific Gravity: 2.65.

Hardness
7 on the Mohs scale
Color
Pale pink to rose red
Luster
Vitreous (glassy)
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Physical properties

Hardness: 7 on the Mohs scale. Color: Pale pink to rose red. Luster: Vitreous (glassy). Crystal Structure: Hexagonal (Trigonal), though typically found in massive form without visible crystal faces. Cleavage: None (conchoidal fracture). Specific Gravity: 2.65.

Formation & geological history

Formed in late-stage igneous crystallizations, specifically within magmatic pegmatites and hydrothermal veins. It typically forms at high temperatures and pressures deep within the Earth's crust.

Uses & applications

Commonly used in jewelry (cabochons, beads), decorative carvings, and as a popular specimen for metaphysical or spiritual collectors. Some lower-grade material is used in lapidary for house-and-garden stones.

Geological facts

Unlike other varieties of quartz, rose quartz rarely forms well-defined crystal points; it usually grows in large, shapeless masses. The color is believed to be caused by microscopic inclusions of fibrous dumortierite or similar minerals.

Field identification & locations

Identify in the field by its distinct pink hue, lack of cleavage (it breaks in smooth, curved 'conchoidal' ways like glass), and its ability to scratch glass but not be scratched by steel. Common locations include Brazil, Madagascar, South Africa, and the Black Hills of South Dakota, USA.

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