Origin
USA
Brazil
Color
Brown, Red, Black, Brownish
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Streak
Reddish, Brown
White
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
5.05-5.222.65-2.90
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
None
{001} Perfect
Mohs Hardness
5.5-6-9999
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Pearly
Pleochroism
-
-
Dispersion
0.190.05
0.005
1
👆🏻
Transparency
Translucent
Translucent
Refractive Index
-99991.534-1.601
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
-
Birefringence
-99990.050
0
0.296
👆🏻
Clarity
Translucent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
-
Healing
-
-
Qualities Associated
Grounding
Emotional Healing