Entry № 298
Ocean Jasper
Orbicular chalcedony
Concentric orbs at the edge of the sea.
Chakra
Heart · Throat
Element
Water · Earth
Zodiac
Cancer · Pisces

I. The Metaphysical Reading
How the stone has been held.
Ocean jasper is worked with as a stone of joy, emotional flow and community. Its concentric orbs are read as small suns of good feeling, said to soften a hardened mood and support kindness in daily life.
- Chakra
- Heart · Throat
- Element
- Water · Earth
- Zodiac
- Cancer · Pisces
- Keynote
- Concentric orbs at the edge of the sea.
II. The Scientific Reading
What the lattice actually does.
Ocean jasper is a rare orbicular chalcedony from a single small coastal deposit on the north-west shore of Madagascar. Its distinctive orbs formed as silica-rich fluids nucleated around impurity grains in cavities of an ancient rhyolite, growing outward in concentric rings.
- Formula
- SiO₂ (with Fe, Mn, chlorite inclusions)
- System
- Trigonal (microcrystalline)
- Hardness
- 6.5 – 7 (Mohs)
- Provenance
- Madagascar (Marovato / Analalava coast)
References & Sources
Independent mineralogical references used to verify the scientific details above.
Mineral Profile
Fact Sheet
- Chemical Formula
- SiO₂ (with Fe, Mn, chlorite inclusions)
- Crystal System
- Trigonal (microcrystalline)
- Mohs Hardness
- 6.5 – 7 (Mohs)
- Density
- 2.58 – 2.65 g/cm³
- Refractive Index
- 1.530 – 1.540
- Provenance
- Madagascar (Marovato / Analalava coast)
- Color Origin
- Green, pink, cream and white in orbicular patterns
Related Crystals
Stones that share this lattice
Next in the Atlas
Ocean Picture Stone
A shoreline captured in soft blue bands.



