Origin
Southern and central Africa
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Color
Brownish, Red, orange
Colorless, Yellow, Brown, Green, Red, Reddish
Streak
White
White, Yellow, Colorless
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
4.00-4.033.0-3.1
1
7.18
👆🏻
Fracture
Conchoidal
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Cleavage
Distinct
Perfect on {001}
Mohs Hardness
7.5-83.5
2
10
👆🏻
Chemical Composition
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(Mg,Al)3(Al3Si)O10(OH)2
Luster
-
Vitreous, Pearly
Pleochroism
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
X = colorless
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.787-1.8161.643-1.648
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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monoclinic
Birefringence
0.0290.012-0.015
0
0.296
👆🏻
Clarity
-
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Physical
Neurological
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Cardiovascular
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Respiratory
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Poor
Reproductive
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Digestive
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Psychology
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Healing
Physical healing
Emotional healing
Qualities Associated
Transformation
Creativity