Origin
Afghanistan, Southern and central Africa
-
Color
Blue, Greenish, Violet
Yellow, Black
Streak
Blue, White
Green
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
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
2.754.39
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Imperfect on {110}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
5.57.5-8
2
10
👆🏻
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
Vitreous
Vitreous
Pleochroism
-
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.5001.80-1.83
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
-
Healing
Emotional healing
-
Qualities Associated
Clarity
Balance