Origin
Canada, Southern and central Africa, Sri Lanka
Southern and central Africa
Color
Brown
Black, Brownish, Brown
Streak
-
Brown
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
Pearl, Moonstone
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.55-3.734.5-4.8
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
None
None, parting may develop along {111}
Mohs Hardness
7-7.55.5
2
10
👆🏻
Chemical Composition
Ca3Al2(SiO4)3
Fe++Cr2O4
Luster
-
-
Pleochroism
-
none.
Dispersion
0.030.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.742-1.7482.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Vitality
Healing
Physical healing
Emotional healing
Qualities Associated
Creativity
Protection