Origin
-
Southern and central Africa
Color
Colorless, White, Brownish, Reddish, Black, gray, Brown
Colorless, Greenish, Green, gray, Yellow
Streak
White
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
Soluble
-
Durability
-
-
Specific Gravity
2.973.21-3.38
1
7.18
👆🏻
Fracture
Uneven
Irregular/uneven, Uneven
Cleavage
None observed
Perfect on {001}
Mohs Hardness
2.56-7
2
10
👆🏻
Chemical Composition
Na 3AlF 6Ulrich Henn and Claudio C.
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Greasy, Pearly
Vitreous
Pleochroism
colorless.
StrongArthur Thomas
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.338-1.3391.670-1.734
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.0010.006-0.011
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Empathy