
mineral
Ocean Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
AI-generated identification · may be incorrectMohs hardness of 6.5 to 7, vitreous to dull luster, and opaque transparency. Displays characteristic orbicular patterns in green, pink, white, and brown.
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Physical properties
Mohs hardness of 6.5 to 7, vitreous to dull luster, and opaque transparency. Displays characteristic orbicular patterns in green, pink, white, and brown.
Formation & geological history
Formed through the cooling and hardening of silica-rich volcanic lava and hydrothermal fluids in gas vesicles. Found exclusively along the coast of Madagascar.
Uses & applications
Primarily used for lapidary arts, decorative carved spheres, and collector display pieces.
Geological facts
This rare variety of jasper is mined only in a remote coastal area of Madagascar, often accessible only at low tide.
Field identification & locations
Easily identified by its distinctive multicolored orbicular or spherical inclusions within a microcrystalline quartz matrix.