Rock Identifier
Rose Quartz Pebble (Silicon Dioxide (SiO2)) — mineral
mineral

Rose Quartz Pebble

Silicon Dioxide (SiO2)

Hardness: 7 Mohs. Color: Pale pink to rose red. Luster: Vitreous to greasy. Crystal Structure: Hexagonal (Trigonal). Cleavage: None (Conchoidal fracture). Specific Gravity: 2.65.

Hardness
7 Mohs
Color
Pale pink to rose red
Luster
Vitreous to greasy
Identified More mineral

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Physical properties

Hardness: 7 Mohs. Color: Pale pink to rose red. Luster: Vitreous to greasy. Crystal Structure: Hexagonal (Trigonal). Cleavage: None (Conchoidal fracture). Specific Gravity: 2.65.

Formation & geological history

Formed in pegmatites through the cooling of silica-rich magma. The pink hue comes from trace amounts of titanium, iron, or manganese. Geological age varies globally from Precambrian to Cenozoic.

Uses & applications

Polished for jewelry, ornamental carvings, decorative landscaping, and widely used in the metaphysical/collecting community.

Geological facts

Unlike most quartz, rose quartz rarely forms well-defined crystal faces and is typically found in massive clusters. The color can fade if exposed to prolonged sunlight.

Field identification & locations

Identify by its characteristic pink hue, hardness (can scratch glass), and lack of cleavage. Commonly found in riverbeds near pegmatite sources in Brazil, South Dakota, and Madagascar.