mineral
Tumbled Rose Quartz
Silicon Dioxide (SiO2)
Hardness: 7 on Mohs scale; Color: Translucent brownish-pink to soft pink; Luster: Vitreous to waxy; Crystal structure: Hexagonal/Trigonal; Cleavage: None (conchoidal fracture); Specific gravity: ~2.65
- Hardness
- 7 on Mohs scale
- Color
- Translucent brownish-pink to soft pink
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 on Mohs scale; Color: Translucent brownish-pink to soft pink; Luster: Vitreous to waxy; Crystal structure: Hexagonal/Trigonal; Cleavage: None (conchoidal fracture); Specific gravity: ~2.65
Formation & geological history
Formed in high-temperature pegmatites and hydrothermal veins through slow cooling of silica-rich fluids. Color is derived from trace amounts of titanium, iron, or manganese, or microscopic inclusions of fibrous dumortierite.
Uses & applications
Used extensively in gemstone carving, lapidary art, jewelry, wire-wrapping, and as a popular tumbled stone for mineral collections.
Geological facts
Rose quartz rarely forms well-defined crystal faces; it almost always occurs in massive crystalline aggregates. Large pegmatite deposits produce hundreds of tons of material worldwide.
Field identification & locations
Identify by its 7 Mohs hardness (scratches glass readily), waxy to glass-like luster, and characteristic pinkish hue. Common in pegmatite deposits in Brazil, Madagascar, South Africa, and South Dakota.
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