Origin
Southern and central Africa
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Color
Brownish, Red, orange
Green, Yellow, Black
Streak
White
Green
For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
-
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Birthstone
Planetary
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Talisman
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Tenacity
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Brittle
Solubility
-
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Durability
-
-
Specific Gravity
4.00-4.033.745-3.776
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Distinct
Perfect on {010}, fair on {101}
Mohs Hardness
7.5-83-3.5
2
10
👆🏻
Chemical Composition
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu2Cl(OH)3
Luster
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Adamantine, Vitreous
Pleochroism
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
X = pale green; Y = yellow-green; Z = grass-green
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.787-1.8161.831
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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Orthorhombic
Birefringence
0.0290.049
0
0.296
👆🏻
Clarity
-
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Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
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Transformation
Healing
Physical healing
Physical healing
Qualities Associated
Transformation
Healing