Origin
Southern and central Africa
Canada
Color
Black, Brownish, White, Brown
Brown, Reddish, Black, Brownish
Streak
Reddish, Black
Brown
For which Rashi?
-
-
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
4.76-5.033.77-3.93
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
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)
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous
Pleochroism
-
-
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Translucent
Translucent
Refractive Index
-99991.94-1.98
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Insight
Grounding
Healing
-
Emotional healing
Qualities Associated
Grounding
Grounding & Transformation