gemstone
Dyed Blue Agate
Chalcedony (SiO2) with artificial dye
AI-generated identification · may be incorrectMohs hardness of 6.5 to 7; vitreous to waxy luster; microcrystalline quartz structure; conchoidal fracture with no true cleavage; specific gravity around 2.58 to 2.64.
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Physical properties
Mohs hardness of 6.5 to 7; vitreous to waxy luster; microcrystalline quartz structure; conchoidal fracture with no true cleavage; specific gravity around 2.58 to 2.64.
Formation & geological history
Agate forms primarily within cavities of volcanic and metamorphic rocks through the slow deposition of silica-rich groundwater solutions over millions of years. This particular specimen has been artificially dyed vibrant blue and polished into a heart shape.
Uses & applications
Widely used in ornamental carvings, gemstone jewelry, decorative items, and metaphysical healing practices.
Geological facts
While natural blue agates do exist, vibrant electric blue agates like this are almost universally produced by soaking grayish or brownish natural chalcedony in a chemical dye solution.
Field identification & locations
Easily identified by its distinct concentric banding and high-gloss polish shaped into a heart. Collectors often look for natural color variations, but dyed specimens remain popular for gifts and decorative use.
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