metamorphic
Eclipse Stone (Kabamba Jasper)
Rhyolite with Aegirine (NaFe3+Si2O6)
Hardness: 6-7 (Mohs); Color: Dark forest green matrix with circular black orbs/spots; Luster: Dull to vitreous; Crystal Structure: Monoclinic (Aegirine) / Amorphous; Specific Gravity: 2.6-2.7
- Hardness
- 6-7 (Mohs)
- Color
- Dark forest green matrix with circular black orbs/spots
- Luster
- Dull to vitreous
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Physical properties
Hardness: 6-7 (Mohs); Color: Dark forest green matrix with circular black orbs/spots; Luster: Dull to vitreous; Crystal Structure: Monoclinic (Aegirine) / Amorphous; Specific Gravity: 2.6-2.7
Formation & geological history
Formed from ancient volcanic eruptions that cooled rapidly, followed by metamorphic events where mineral inclusions like aegirine crystallized into orb-like structures approximately 3 billion years ago.
Uses & applications
Primarily used for lapidary work including cabochons, beads, and decorative carvings. Highly valued in metaphysical circles for grounding and meditation.
Geological facts
Despite the trade name 'Jasper', it is geologically an igneous or metamorphic rhyolitic rock. It is often confused with Kambaba Jasper or Nebula Stone due to similar circular patterns.
Field identification & locations
Identify by its distinctive deep green base and dark, circular 'eye' patterns. Predominantly found in Madagascar and parts of South Africa. Collectors look for high contrast and clear orb definitions.
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