mineral
Quartz with Iron Staining
Silicon Dioxide (SiO2)
Hardness: 7 on Mohs scale. Color: White or clear with brown/orange iron oxide staining. Luster: Vitreous to greasy. Crystal system: Trigonal. Specific gravity: 2.65.
- Hardness
- 7 on Mohs scale
- Color
- White or clear with brown/orange iron oxide staining
- Luster
- Vitreous to greasy
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Physical properties
Hardness: 7 on Mohs scale. Color: White or clear with brown/orange iron oxide staining. Luster: Vitreous to greasy. Crystal system: Trigonal. Specific gravity: 2.65.
Formation & geological history
Formed in hydrothermal veins, pegmatites, and sedimentary environments over millions of years, often with iron-rich groundwater staining the fractures.
Uses & applications
Used in electronics, manufacturing of glass and ceramics, ornamental items, and mineral collecting.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness (scratches glass), lack of cleavage, and distinct conchoidal fracture. Commonly found worldwide.
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