Origin
Southern and central Africa
Madagascar
Color
Yellow, Blue, Black, Green, gray
Brownish, Black, Reddish, Brown, Blue
Streak
White
Reddish, Brown
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.43-3.443.84
1
7.18
👆🏻
Fracture
-
Subconchoidal, Conchoidal
Cleavage
None Observed
{0001} good, {10 1 0} parting
Mohs Hardness
6.5-77.5-8
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Ce)(Al,Ti,Mg)12O19
Luster
Vitreous
Vitreous
Pleochroism
visible
O = brownish gray; E = gray
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.696-1.7021.79-1.807
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Hexagonal
Birefringence
0.005-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
-
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Balance