Origin
USA
Southern and central Africa
Color
Brown, Red, Black, Brownish
Colorless, White, Yellow, Blue, Green, 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
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
5.05-5.222.95-2.96
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None
None
Mohs Hardness
5.5-67-7.5
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Adamantine
Pleochroism
-
None
Dispersion
0.19-
0.005
1
👆🏻
Transparency
Translucent
Transparent
Refractive Index
-99991.658-1.673
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Orthorhombic
Birefringence
-99990.010-0.011
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
-
Healing
-
Emotional healing
Qualities Associated
Grounding
Peace