Origin
Southern and central Africa
-
Color
Colorless, Greenish, Green, gray, Yellow
Yellow, Brown, Black, orange
Streak
White
Yellow, 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
Moderately flexible
Solubility
-
-
Durability
-
-
Specific Gravity
3.21-3.382.32
1
7.18
👆🏻
Fracture
Irregular/uneven, Uneven
-
Cleavage
Perfect on {001}
Perfect on {0001}
Mohs Hardness
6-72
2
10
👆🏻
Chemical Composition
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Pb6Cu3BiS4
Luster
Vitreous
Vitreous
Pleochroism
StrongArthur Thomas
Distinct
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.670-1.7341.546
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.006-0.011-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Empathy
-
Healing
Emotional healing
-
Qualities Associated
Empathy
Vitality