Origin
Southern and central Africa
Tanzania, Sri Lanka, China
Color
Red, Blue, Green, Reddish, Brown
Colorless
Streak
White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
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-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.79-3.943.60-3.61
1
7.18
👆🏻
Fracture
Lamellar, Splintery
Conchoidal
Cleavage
{100} Good, {001} Good, {010} Poor
Imperfect/fair/absent
Mohs Hardness
48-8.5
2
10
👆🏻
Chemical Composition
FeAs
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Waxy
Vitreous
Pleochroism
-
Weak
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TranslucentAnthony et al
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Refractive Index
1.670-1.7341.70-1.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Hexagonal
Birefringence
-99990.055
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
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Physical
Neurological
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Cardiovascular
-
-
Respiratory
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Good
Reproductive
-
-
Digestive
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Psychology
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Transformation
Healing
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Physical healing
Qualities Associated
Emotional Healing
Spiritual Growth