gemstone
Clear Quartz
SiO2 (Silicon Dioxide)
Hardness: 7, Color: Colorless/Clear, Luster: Vitreous, Crystal structure: Hexagonal
- Luster
- Vitreous, Crystal structure: Hexagonal
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Physical properties
Hardness: 7, Color: Colorless/Clear, Luster: Vitreous, Crystal structure: Hexagonal
Formation & geological history
Forms in igneous, metamorphic, and sedimentary rocks from silica-rich solutions
Uses & applications
Used in jewelry, electronics (oscillators), and as a collecting specimen
Geological facts
Quartz is the most abundant mineral in Earth's continental crust.
Field identification & locations
Identified by its hardness (scratches glass), conchoidal fracture, and lack of cleavage. Found worldwide.
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Cubic Zirconia (or possibly Diamond)
Zirconium dioxide (or Carbon)
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Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
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Faceted Gemstone
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Milky Quartz
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