mineral
Blue Dyed Agate
Chalcedony (Silicon Dioxide, SiO2)
Hardness: 6.5-7 (Mohs); Color: Vivid artificial blue; Luster: Vitreous to waxy; Structure: Cryptocrystalline; Cleavage: None; Fracture: Conchoidal.
- Hardness
- 6
- Color
- Vivid artificial blue
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 6.5-7 (Mohs); Color: Vivid artificial blue; Luster: Vitreous to waxy; Structure: Cryptocrystalline; Cleavage: None; Fracture: Conchoidal.
Formation & geological history
Formed as chalcedony in volcanic rock cavities or sedimentary environments. This specific specimen has undergone a post-extraction dyeing process where blue pigment is absorbed into its porous layers.
Uses & applications
Used primarily for jewelry, tumbling, home decor, and as pocket stones for crystal collectors.
Geological facts
Natural blue agate (Blue Lace Agate) is typically much paler and banded. Most vibrant 'electric' blue agates on the market are dyed using iron or chromium salts.
Field identification & locations
Identify by looking for concentrations of color in cracks or circular bands. Unlike natural stones, dyed specimens may bleed color if soaked in strong solvents like acetone.
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