Mineral (variety of Chalcedony)
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial colorants
Hardness: 6.5-7 on Mohs scale; Color: Neon cyan/teal (artificial); Luster: Waxy to vitreous; Crystal structure: Trigonal (microcrystalline); Cleavage: None (conchoidal fracture); Specific gravity: ~2.6.
- Hardness
- 6
- Color
- Neon cyan/teal (artificial)
- Luster
- Waxy to vitreous
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Physical properties
Hardness: 6.5-7 on Mohs scale; Color: Neon cyan/teal (artificial); Luster: Waxy to vitreous; Crystal structure: Trigonal (microcrystalline); Cleavage: None (conchoidal fracture); Specific gravity: ~2.6.
Formation & geological history
Formed as secondary deposits in volcanic rock cavities (amygdales) or sedimentary nodules. This specific specimen has undergone a post-extraction industrial dyeing process to achieve its vibrant color.
Uses & applications
Commonly used for home decor, coasters, jewelry pendants, metaphysical collection, and as educational entry-level specimens for children.
Geological facts
Agate is a cryptocrystalline variety of silica. The neon color in this slice is unnatural; because agates are porous, they easily absorb dyes. Natural teal/blue agates exist (like Ellensburg Blue) but are extremely rare and rarely this uniform.
Field identification & locations
Identify by its translucent nature, 'banding' (though faint here), and conchoidal fracture. Often found globally in Brazil, Uruguay, and India. Collectors should look for 'dyed' indicators like color concentrated in cracks or unnatural neon hues.
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