Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Brownish, White, Colorless, Yellow
Black, Brownish, Brown
Streak
White
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
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
1.58-1.604.5-4.8
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
{011} Imperfect
None, parting may develop along {111}
Mohs Hardness
25.5
2
10
👆🏻
Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Fe++Cr2O4
Luster
Vitreous
-
Pleochroism
Weak: yellowish brown yellowAnthony et al
none.
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.509-1.5412.08-2.16
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
0.030-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Happiness
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Abundance
Protection