mineral
Quartz with Iron Inclusions
Silicon Dioxide (SiO2) with Hematite or Limonite staining
Hardness: 7 on Mohs scale; Color: Clear to white with orange-red iron staining; Luster: Vitreous (glassy); Crystal structure: Trigonal/Hexagonal; Cleavage: None (conchoidal fracture).
- Hardness
- 7 on Mohs scale
- Color
- Clear to white with orange-red iron staining
- Luster
- Vitreous (glassy)
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Physical properties
Hardness: 7 on Mohs scale; Color: Clear to white with orange-red iron staining; Luster: Vitreous (glassy); Crystal structure: Trigonal/Hexagonal; Cleavage: None (conchoidal fracture).
Formation & geological history
Formed in hydrothermal veins or pegmatites as cooling silicon-rich fluids crystallize. The orange hue is caused by iron oxides (limonite or hematite) leaching into cracks or coating the surface over geological time.
Uses & applications
Primarily used for decorative purposes, crystal collecting, or as a source of quartz for industrial applications like electronics and glass-making.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust. Iron-stained quartz is sometimes markets as 'Hematoid Quartz' or 'Fire Quartz' in the metaphysical community.
Field identification & locations
Identify in the field by its hardness (will scratch glass), lack of cleavage, and glassy appearance. Commonly found in riverbeds, mountain terrains, and near mining sites globally.
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