Origin
Southern and central Africa
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Color
Brown, Black, Blue
Brown, Blue, Green, Yellow, White
Streak
-
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
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Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.653.32-3.43
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
None
Poor on {110} and {100} very poor on {001}
Mohs Hardness
-99996-7
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
-
Vitreous, Resinous
Pleochroism
Definite: brown reddish-brownWalter Schumann
slight in colored varieties
Dispersion
0.010.03
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.544-1.5531.703-1.752
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
tetragonal
Birefringence
0.0090.004-0.006
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
Improves digestion and metabolism
Enhances mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
-
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Digestive
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Psychology
Protection
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Transformation