Origin
Southern and central Africa
Italy, Canada
Color
Red, Blue, Green, Reddish, Brown
Blue, Red, Yellow, Colorless, Green, White
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
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-
Deities
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-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
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-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.79-3.942.90-3.10
1
7.18
👆🏻
Fracture
Lamellar, Splintery
Uneven, Conchoidal
Cleavage
{100} Good, {001} Good, {010} Poor
Poor/indistinct on {1120} and {1011}
Mohs Hardness
47
2
10
👆🏻
Chemical Composition
FeAs
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Luster
Waxy
Vitreous
Pleochroism
-
Pale green
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
TranslucentAnthony et al
Transparent
Refractive Index
1.670-1.7341.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
-99990.014-0.032
0
0.296
👆🏻
Clarity
TranslucentAnthony et al
Transparent
Physical
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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-
Digestive
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Psychology
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Emotional healing
Healing
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Emotional healing
Qualities Associated
Emotional Healing
Emotional Healing