mineral
Clear Quartz with Limonite
Silicon Dioxide (SiO2) with Hydrated Iron Oxides
Hardness: 7 (Mohs); Color: Clear to white with yellowish-brown staining; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None/Conchoidal fracture.
- Hardness
- 7 (Mohs)
- Color
- Clear to white with yellowish-brown staining
- Luster
- Vitreous
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Physical properties
Hardness: 7 (Mohs); Color: Clear to white with yellowish-brown staining; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None/Conchoidal fracture.
Formation & geological history
Formed in hydrothermal veins and pegmatites through the cooling of silica-rich fluids. The yellow-brown coating is Limonite, which formed later through the weathering of iron-rich minerals.
Uses & applications
Used in electronics as piezoelectric oscillators, in glassmaking, jewelry, and widely collected by metaphysical practitioners and mineral enthusiasts.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust. Specimens with iron oxide staining are often called 'Golden Healer' in the spiritual community.
Field identification & locations
Identify by its 7 hardness (scratches glass) and conchoidal fracture. Commonly found in mountainous regions worldwide, particularly in Brazil, Arkansas (USA), and the Alps.
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