Origin
Southern and central Africa
Southern and central Africa
Color
Black, Brownish, White, Brown
Colorless, Yellow
Streak
Reddish, Black
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
4.76-5.032.59-2.60
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
None
{001} Perfect, {110} Distinct, {101} Distinct
Mohs Hardness
5.5-6.56-7
2
10
👆🏻
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
-
Vitreous
Pleochroism
-
none.
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
Translucent
TransparentAnthony et al
Refractive Index
-99991.583-1.614
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentAnthony et al
Physical
Neurological
-
-
Cardiovascular
-
Promotes mental clarity
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
Insight
Harmony
Healing
-
Emotional healing
Qualities Associated
Grounding
Creativity