Rock Identifier
White Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary
sedimentary

White Agate

Silicon Dioxide (Chalcedony), SiO2

AI-generated identification · may be incorrect

Hardness of 6.5-7 on the Mohs scale, white or milky color, waxy to vitreous luster, microcrystalline crystal structure.

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Physical properties

Hardness of 6.5-7 on the Mohs scale, white or milky color, waxy to vitreous luster, microcrystalline crystal structure.

Formation & geological history

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

Uses & applications

Commonly used in jewelry making, ornamental carvings, beads, and holistic crystal healing practices.

Geological facts

Agate has been prized since ancient times for amulets and seals due to its durability and smooth polish.

Field identification & locations

Identified by its waxy luster, conchoidal fracture, and milky white banding. Found globally, notably in Brazil, India, and the USA.