Origin
Southern and central Africa
Sri Lanka
Color
Red, Blue, Green, Reddish, Brown
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
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For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
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
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
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Tenacity
-
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Solubility
-
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Durability
-
-
Specific Gravity
3.79-3.942.65
1
7.18
👆🏻
Fracture
Lamellar, Splintery
ConchoidalWalter Schumann
Cleavage
{100} Good, {001} Good, {010} Poor
None
Mohs Hardness
47
2
10
👆🏻
Chemical Composition
FeAs
SiO 2Walter Schumann , Gemstones of the world (2001)
Luster
Waxy
-
Pleochroism
-
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
TranslucentAnthony et al
TransparentWalter Schumann
Refractive Index
1.670-1.7341.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
-99990.009
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
TransparentWalter Schumann
Physical
Neurological
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Cardiovascular
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Respiratory
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Good
Reproductive
-
-
Digestive
-
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Psychology
-
Clarity
Healing
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Physical healing
Qualities Associated
Emotional Healing
Clarity