Origin
-
Southern and central Africa
Color
Brownish, Black
Brown, Reddish, pink, orange
Streak
Brown
-
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
3.263.82-4.00
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
None
{???} Indistinct
Mohs Hardness
-99995.5
2
10
👆🏻
Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Resinous
Vitreous
Pleochroism
Strong: yellow-brown
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Translucent
TransparentAnthony et al
Refractive Index
-99991.763-1.793
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Translucent
TransparentAnthony et al
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
-
-
Healing
-
Physical healing
Qualities Associated
Protection
Harmony