Origin
Southern and central Africa
Austria, Zimbabwe, Australia
Color
Yellow, Blue, Black, Green, gray
Red, Brown, Violet
Streak
White
Black
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.43-3.445.06-5.08
1
7.18
👆🏻
Fracture
-
Uneven, Subconchoidal, Conchoidal
Cleavage
None Observed
Poor on [111].
Mohs Hardness
6.5-73-3.25
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu5FeS4
Luster
Vitreous
-
Pleochroism
visible
Weak
Dispersion
0.02-
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.696-1.702-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Orthorhombic
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
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
-
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Transformation
Creativity