Origin
Southern and central Africa
Southern and central Africa, Zimbabwe, South Africa
Color
Black, Brownish, Brown
Green, Blue
Streak
Brown
Greenish, White
For which Rashi?
-
Virgo
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Gaia
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
Decomposed by acids
Durability
-
-
Specific Gravity
4.5-4.82.96
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
None, parting may develop along {111}
Perfect on {010}
Mohs Hardness
5.55
2
10
👆🏻
Chemical Composition
Fe++Cr2O4
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Luster
-
Vitreous
Pleochroism
none.
X: very light bluish green; Y and Z: brilliant bluish green
Dispersion
0.040.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.08-2.161.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Triclinic
Birefringence
-99990.091
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Poor
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Harmony