Origin
Southern and central Africa
Afghanistan, China, Madagascar, Southern and central Africa, Pakistan, Sri Lanka, USA
Color
Yellow, Blue, Black, Green, gray
Red, Reddish, orange, Brown
Streak
White
White
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
3.43-3.444.12-4.18
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
None Observed
{???} Distinct
Mohs Hardness
6.5-77-7.5
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Vitreous
Pleochroism
visible
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.696-1.7021.789-1.820
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Isometric
Birefringence
0.0050.027
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
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Good
Reproductive
-
-
Digestive
-
-
Psychology
-
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Creativity