Origin
Southern and central Africa
Canada, Southern and central Africa, Sri Lanka
Color
Black, Brownish, White, Brown
Brown
Streak
Reddish, Black
-
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
Pearl, Moonstone
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.76-5.033.55-3.73
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None
None
Mohs Hardness
5.5-6.57-7.5
2
10
👆🏻
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Ca3Al2(SiO4)3
Luster
-
-
Pleochroism
-
-
Dispersion
0.030.03
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
-99991.742-1.748
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Insight
Creativity
Healing
-
Physical healing
Qualities Associated
Grounding
Creativity