mineral
Quartz with Iron Oxide
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 on Mohs scale. Color: White, clear, with yellow to brown iron staining. Luster: Vitreous to greasy. Crystal structure: Trigonal.
- Hardness
- 7 on Mohs scale
- Color
- White, clear, with yellow to brown iron staining
- Luster
- Vitreous to greasy
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Physical properties
Hardness: 7 on Mohs scale. Color: White, clear, with yellow to brown iron staining. Luster: Vitreous to greasy. Crystal structure: Trigonal.
Formation & geological history
Formed in hydrothermal veins and pegmatites, often subjected to weathering where iron-rich groundwater stains the crystal surfaces over millions of years.
Uses & applications
Used in crystal collecting, lapidary arts, decorative items, and sometimes as low-grade quartz aggregate.
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 characteristic conchoidal fracture. Commonly found worldwide in various geological settings.
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Sandstone (with potential mineral staining/concretions)
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Septarian Pebble
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