Origin
Southern and central Africa
Southern and central Africa
Color
Black, Brownish, Brown
Violet, Blue, Yellow, Brown, White, Colorless
Streak
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
4.5-4.83.1-3.25
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
None, parting may develop along {111}
Indistinct
Mohs Hardness
5.55
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Luster
-
Vitreous, Resinous
Pleochroism
none.
Weak to strong if coloreD
Dispersion
0.040.03
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
2.08-2.161.631-1.650
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Hexagonal
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Clarity
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Clarity