Rock Identifier
Ocean Jasper (Silicon Dioxide (Chalcedony/Quartz with inclusions, SiO2)) — sedimentary
sedimentary

Ocean Jasper

Silicon Dioxide (Chalcedony/Quartz with inclusions, SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5-7 on the Mohs scale, waxy to vitreous luster, microcrystalline crystal structure, opaque to translucent with distinctive orbicular patterns in various colors.

Identified More sedimentary →
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Physical properties

Hardness of 6.5-7 on the Mohs scale, waxy to vitreous luster, microcrystalline crystal structure, opaque to translucent with distinctive orbicular patterns in various colors.

Formation & geological history

Formed in hydrothermal veins and cavities of rhyolitic volcanic rocks through the deposition of silica-rich fluids.

Uses & applications

Primarily used for ornamental carvings, polished display specimens, cabochons, and jewelry making.

Geological facts

Also known as Atlantis Stone, it is exclusively mined along the remote coastal cliffs of Madagascar during low tide.

Field identification & locations

Easily identified by its characteristic multi-colored orbicular 'eyes' and spherical inclusions set within a chalcedony matrix.