Origin
Southern and central Africa
Brazil
Color
Black, Brownish, Brown
Yellow, pink
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
4.5-4.83.05-3.08
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Uneven, Conchoidal
Cleavage
None, parting may develop along {111}
Poor on {100}
Mohs Hardness
5.55
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
-
Vitreous, Resinous
Pleochroism
none.
Visible: X = yellow; Y = pink; Z = pale pink to colorless
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
2.08-2.161.639-1.672
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.029-0.032
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Compassion
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Heart Healing