Mineral/Sedimentary
Jasper Pendant
Chalcedony (Quartz) - SiO2
Hardness: 6.5-7, Color: Reddish brown with darker spots, Luster: Vitreous to dull, Crystal structure: Cryptocrystalline, Cleavage: None
- Hardness
- 6
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Physical properties
Hardness: 6.5-7, Color: Reddish brown with darker spots, Luster: Vitreous to dull, Crystal structure: Cryptocrystalline, Cleavage: None
Formation & geological history
Formed from silica-rich fluids that seep into rock cavities or as sedimentary deposits. Age varies widely.
Uses & applications
Used primarily in jewelry making, ornamental carvings, and lapidary arts.
Geological facts
Jasper comes in many distinct varieties based on its color and pattern, such as picture jasper, ocean jasper, and Dalmatian jasper. This piece appears to be polished into a cabochon or pendant shape.
Field identification & locations
Identify by its hardness (scratches glass), opaque nature, and distinct coloring/patterns. Found worldwide.
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