Origin
-
Southern and central Africa
Color
Brown, Yellow, White, Greenish
Colorless, Greenish, Green, gray, Yellow
Streak
White, gray
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
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.7-3.33.21-3.38
1
7.18
👆🏻
Fracture
Uneven, Even
Irregular/uneven, Uneven
Cleavage
Perfect on the {001}
Perfect on {001}
Mohs Hardness
2.5-3.06-7
2
10
👆🏻
Chemical Composition
K(Mg,Fe++)3[AlSi3O10(OH,F)2
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Strong
StrongArthur Thomas
Dispersion
-0.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.565-1.6251.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.03-0.070.006-0.011
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Grounding
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding
Empathy