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

White Agate

Silicon Dioxide (Chalcedony), SiO2

AI-generated identification · may be incorrect

Hardness of 6.5 to 7 on the Mohs scale, white to milky color, waxy to vitreous luster, and microcrystalline trigonal structure.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, white to milky color, waxy to vitreous luster, and microcrystalline trigonal structure.

Formation & geological history

Formed through the deposition of silica from groundwater in cavities of igneous and sedimentary rocks.

Uses & applications

Widely used in jewelry making as polished beads, decorative carvings, and metaphysical healing items.

Geological facts

Agate is a diverse variety of chalcedony and has been used for ornamentation and talismans since ancient times.

Field identification & locations

Identified by its microcrystalline texture and conchoidal fracture, commonly sourced from Brazil, India, and the USA.