
mineral
Clear Quartz Crystal (Likely Golden Healer/Iron-Stained)
Silicon Dioxide (SiO2)
Hardness: 7 on Mohs scale; Color: Colorless/transparent with yellow-orange iron inclusions; Luster: Vitreous (glassy); Crystal Structure: Hexagonal/Trigonal; Cleavage: None (conchoidal fracture); Specific Gravity: 2.65.
- Hardness
- 7 on Mohs scale
- Color
- Colorless/transparent with yellow-orange iron inclusions
- Luster
- Vitreous (glassy)
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Physical properties
Hardness: 7 on Mohs scale; Color: Colorless/transparent with yellow-orange iron inclusions; Luster: Vitreous (glassy); Crystal Structure: Hexagonal/Trigonal; Cleavage: None (conchoidal fracture); Specific Gravity: 2.65.
Formation & geological history
Formed from silica-rich hydrothermal solutions in veins, pegmatites, and geodes. Quartz can form over millions of years across various geological ages from the Precambrian to modern hot springs.
Uses & applications
Used in electronics (oscillators), manufacturing of glass, jewelry, meditation and metaphysical practices, and as a popular decorative display specimen.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust. Specimens like this one, with natural yellow iron staining, are often marketed as 'Golden Healer' quartz in the gemstone trade.
Field identification & locations
Identify in the field by its hardness (scratches glass), lack of cleavage, and hexagonal crystal habit. Common in mountainous regions worldwide, notably Brazil, Madagascar, and Arkansas, USA.
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