mineral
Rose Quartz with Girasol Effect
Silicon Dioxide (SiO2)
Hardness: 7 on Mohs scale; Color: Pale pink to lavender; Luster: Vitreous to waxy; Crystal structure: Hexagonal (trigonal); Cleavage: None/Conchoidal fracture; Specific gravity: 2.65
- Hardness
- 7 on Mohs scale
- Color
- Pale pink to lavender
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 on Mohs scale; Color: Pale pink to lavender; Luster: Vitreous to waxy; Crystal structure: Hexagonal (trigonal); Cleavage: None/Conchoidal fracture; Specific gravity: 2.65
Formation & geological history
Formed in pegmatites through the slow cooling of silica-rich magma. The opalescent/girasol effect is caused by microscopic inclusions of dumortierite or rutile.
Uses & applications
Used primarily in lapidary arts, jewelry, decorative carvings, and as a popular metaphysical or collector's specimen.
Geological facts
While common rose quartz is often cloudy, specimens showing a girasol (milky/glowing) effect or asterism (star effect) are more sought after by collectors.
Field identification & locations
Identify by its characteristic pink hue, high hardness (it will scratch glass), and lack of cleavage. Often found in Brazil, Madagascar, and South Dakota.
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