Origin
Brazil
Southern and central Africa
Color
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Brown, Black, Blue
Streak
White
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For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
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Talisman
-
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Tenacity
-
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Solubility
-
-
Durability
-
-
Specific Gravity
2.65-2.902.65
1
7.18
👆🏻
Fracture
-
ConchoidalWalter Schumann
Cleavage
{001} Perfect
None
Mohs Hardness
-9999-9999
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Ulrich Henn and Claudio C.
Luster
Pearly
-
Pleochroism
-
Definite: brown reddish-brownWalter Schumann
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.534-1.6011.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.0500.009
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
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Improves digestion and metabolism
Cardiovascular
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Respiratory
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Good
Reproductive
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-
Digestive
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Psychology
-
Protection
Healing
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Emotional healing
Qualities Associated
Emotional Healing
Protection