gemstone

Dyed Blue Agate Druzy Pendant

Quartz / Chalcedony (SiO2) with artificial color treatment

Hardness of 7 on the Mohs scale; color is dyed bright blue; vitreous to waxy luster; cryptocrystalline structure; conchoidal fracture with no true cleavage; specific gravity around 2.65

Identified August 3, 2026More gemstone →

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Physical properties

Hardness of 7 on the Mohs scale; color is dyed bright blue; vitreous to waxy luster; cryptocrystalline structure; conchoidal fracture with no true cleavage; specific gravity around 2.65

Formation & geological history

Formed in cavities of volcanic and metamorphic rocks through the deposition of silica-rich groundwater over millions of years, later cut, edged with metal, and dyed

Uses & applications

Used primarily in fashion jewelry, pendants, and decorative accessories

Geological facts

Natural agate forms in concentric bands, but stones with sparkly crystal centers like this are known as druzy quartz; they are frequently dyed vibrant colors for the jewelry market

Field identification & locations

Commonly found worldwide where ancient volcanic activity occurred; easily identified by its microcrystalline quartz matrix and sparkling crystal center

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