Origin
Southern and central Africa
Russia
Color
Brown, Black, Blue
Pale pink, Red, White, pink, Blue, Green
Streak
-
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.652.30-2.60
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven, Conchoidal
Cleavage
None
{111} Imperfect
Mohs Hardness
-99995.5-6
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
-
Pleochroism
Definite: brown reddish-brownWalter Schumann
ModerateArthur Thomas
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.544-1.5531.494-1.504
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
tetragonal
Birefringence
0.0090.008
0
0.296
👆🏻
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
Improves digestion and metabolism
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Protection
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Emotional Healing