Rock Identifier
Eye Agate Ring (Silicon Dioxide (Chalcedony variety Agate), SiO2) — gemstone
gemstone

Eye Agate Ring

Silicon Dioxide (Chalcedony variety Agate), SiO2

Hardness of 6.5 to 7 on the Mohs scale, waxy to vitreous luster, cryptocrystalline crystal structure, conchoidal fracture, specific gravity of 2.60 to 2.65. Displays concentric circular bands resembling an eye pattern.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, waxy to vitreous luster, cryptocrystalline crystal structure, conchoidal fracture, specific gravity of 2.60 to 2.65. Displays concentric circular bands resembling an eye pattern.

Formation & geological history

Forms in cavities of volcanic and metamorphic rocks through the slow deposition of silica-rich groundwater solutions over millions of years.

Uses & applications

Used primarily in jewelry making, ornamental carvings, talismans, and lapidary arts.

Geological facts

Eye agates have historically been prized as powerful protective amulets across many cultures, believed to ward off the evil eye and bring good fortune.

Field identification & locations

Easily identified by its distinct concentric ring patterns resembling eyes. Commonly found worldwide, particularly in Brazil, India, Madagascar, and the USA.