mineral
Ocean Jasper
SiO2
Mohs hardness 6.5-7, multicolored with orbicular patterns, vitreous luster, cryptocrystalline quartz structure
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Physical properties
Mohs hardness 6.5-7, multicolored with orbicular patterns, vitreous luster, cryptocrystalline quartz structure
Formation & geological history
Formed from rhyolitic flows, specific to the coast of Madagascar
Uses & applications
Mainly used for lapidary arts, jewelry, and crystal healing
Geological facts
Ocean jasper is only found in Madagascar and must be mined at low tide.
Field identification & locations
Identify by its unique orbicular patterns and variety of colors. Sourced from Madagascar.
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Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Schist
Schist
Metamorphic
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Nephrite Jade
Nephrite
Mineral/Rock
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety often found as a river rock)
Metamorphic Rock
![Green Apatite on Albite (Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]) — mineral](https://media.rockidentification.com/2391a63f-fb20-47d5-af9a-2035851eb32e-thumbnail.jpg)
Green Apatite on Albite
Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]
mineral