Origin
USA
Southern and central Africa
Color
Brown, Red, Black, Brownish
Colorless, Greenish, Green, gray, Yellow
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
-
-
Durability
-
-
Specific Gravity
5.05-5.223.21-3.38
1
7.18
👆🏻
Fracture
Uneven
Irregular/uneven, Uneven
Cleavage
None
Perfect on {001}
Mohs Hardness
5.5-66-7
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
-
Vitreous
Pleochroism
-
StrongArthur Thomas
Dispersion
0.190.02
0.005
1
👆🏻
Transparency
Translucent
Transparent
Refractive Index
-99991.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
monoclinic
Birefringence
-99990.006-0.011
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Empathy
Healing
-
Emotional healing
Qualities Associated
Grounding
Empathy