mineral
Ocean Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
AI-generated identification · may be incorrectMohs hardness of 6.5-7; displays spherical orbicular patterns in green, white, gray, and brown; waxy to vitreous luster; trigonal crystal system.
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Physical properties
Mohs hardness of 6.5-7; displays spherical orbicular patterns in green, white, gray, and brown; waxy to vitreous luster; trigonal crystal system.
Formation & geological history
Formed from silica-rich hydrothermal solutions filling cavities in rhyolitic lava flows during the Cretaceous period.
Uses & applications
Primarily used for lapidary arts, decorative polished towers, spheres, and collector display specimens.
Geological facts
Exclusively mined along the remote coastal cliffs of northwestern Madagascar, accessible only at low tide.
Field identification & locations
Identified by distinct multicolored orbicular or bullseye patterns within a quartz matrix; popular among mineral collectors.
