Origin
USA
-
Color
Brown, Red, Black, Brownish
Blue, gray, Black
Streak
Reddish, Brown
Blue
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
5.05-5.223-3.15
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
None
Good on [110] and on [001]
Mohs Hardness
5.5-66.0-6.5
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
[ ]Na2(Mg3Al2)Si8O22(OH)2
Luster
-
Vitreous, Pearly
Pleochroism
-
Strong
Dispersion
0.190.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
-99991.606-1.637
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
monoclinic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Communication
Healing
-
Emotional healing
Qualities Associated
Grounding
Peace