gem • Feldspar
Moonstone is a feldspar with adularescence — a soft, bluish-white glow that seems to float under the surface as the stone moves. In Vedic tradition it is Chandrakant Mani, an uparatna for pearl and a stone of the Moon.
Key properties and characteristics
Category
gem
Family
Feldspar
Colors
Hardness
6–6.5 Mohs
Luster
Vitreous to pearly
Transparency
Transparent to translucent
Found In
Sri Lanka, India, Myanmar
Ruling Planet
Chandra
Property breakdown
Scores normalized to 10-point scale for comparison
Natural color variations
Where this stone is found
+1 more locations
Molecular arrangement
Three unequal axes, one inclined
Formation & composition
Forms in granite pegmatites and some metamorphic rocks as two feldspars separate into fine layers while cooling; much gem moonstone comes from alluvial gravels.
Volcanic / Plutonic
5-30 km below surface
Vedic astrology compatibility
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How to tell them apart
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Always verify with hardness test or expert examination
Moonstone forms through geological processes over millions of years. The unique conditions of temperature and pressure create its distinctive characteristics and crystal structure.
Understanding the geological origins helps appreciate the rarity and natural beauty of this stone.
The information provided is for educational purposes only and not intended as medical advice. Consult a qualified professional for health-related questions.
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Stone data enriched using AI with gemology and Vedic astrology sources. Always verify with certified experts for important decisions.