mineral
Dyed Fuchsia Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Hardness: 6.5-7 Mohs; Color: Dyed pink/fuchsia with natural white and grey bands; Luster: Vitreous to waxy; Structure: Cryptocrystalline; Cleavage: None
- Hardness
- 6
- Color
- Dyed pink/fuchsia with natural white and grey bands
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 6.5-7 Mohs; Color: Dyed pink/fuchsia with natural white and grey bands; Luster: Vitreous to waxy; Structure: Cryptocrystalline; Cleavage: None
Formation & geological history
Formed in volcanic rock cavities or ancient sedimentary rocks. Silica-rich groundwater permeates through vesicles over millions of years to form concentric layers. This specific specimen has undergone post-extraction chemical dyeing to enhance its color.
Uses & applications
Used in ornamental jewelry, decorative coasters, home decor, and as meditation stones. Polished slabs are popular for display due to their banding patterns.
Geological facts
Natural agate is rarely this vibrant. The fuchsia color is achieved by soaking the porous chalcedony in a mineral salt and heating it. Agate was named by Theophrastus, who found it along the Dirillo River in Sicily.
Field identification & locations
Identify by its characteristic concentric bands and waxy feel. It is commonly found in Brazil and Uruguay. Bright neon colors in agate almost always indicate human treatment/dyeing.
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