Ocean Jasper

Physical Properties

Hardness: 6.5-7 (Mohs scale); Color: White, green, and brown mottled patterns; Luster: Vitreous to waxy; Crystal structure: Trigonal (microcrystalline); Cleavage: None; Specific gravity: 2.6-2.7

Formation & Geological History

Formed from rhythmic precipitation of silica into a jelly-like state, typically in volcanic rhyolite flows; specifically located along the coast of Madagascar in ancient deposits

Uses & Applications

Primarily used for ornamental purposes, jewelry, lapidary art, and metabolic/meditation collecting

Geological Facts

Ocean Jasper is only found on the coast of Madagascar and can only be mined during low tide. It is known for its unique 'orbicular' or circular patterns resembling eyes or cells.

Field Identification & Locations

Identify by its unique circular patterns and combination of green/white/pink colors. It is distinct from other jaspers due to its location of discovery and high quartz/chalcedony content. Collectors should look for vibrant colors and well-defined patterns.

Identified on: 5/9/2026

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