Origin
USA
Southern and central Africa
Color
Brown, Red, Black, Brownish
Green, Grey, White
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
5.05-5.222.60-3.02
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
None
{001} Perfect
Mohs Hardness
5.5-62-2.5
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Luster
-
Pearly, Greasy
Pleochroism
-
Distinct: light yellow-green to light bluE
Dispersion
0.190.02
0.005
1
👆🏻
Transparency
Translucent
Transparent
Refractive Index
-99991.571-1.597
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Harmony
Healing
-
Physical healing
Qualities Associated
Grounding
Emotional Healing