Origin
Southern and central Africa
Southern and central Africa
Color
Yellow, Blue, Colorless, White
Yellow, White
Streak
White
gray, Brownish, Black
For which Rashi?
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Planet
-
-
Element of Planets
-
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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
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Powers
-
-
Birthstone
Planetary
-
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Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.28-3.314.80-4.90
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None observed
{010} Indistinct
Mohs Hardness
6.5-7.56-6.5
2
10
👆🏻
Chemical Composition
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
-
Pleochroism
Colorless
-
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.638-1.650-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
-
Birefringence
0.0130-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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Cardiovascular
-
-
Respiratory
Excellent
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Reproductive
-
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Digestive
-
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Psychology
Clarity
Protection
Healing
Emotional healing
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Qualities Associated
Clarity
Protection