Origin
Afghanistan, Southern and central Africa
Russia
Color
Blue, Greenish, Violet
Red, Reddish, Brown, Black, orange
Streak
Blue, 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
2.753.87-4.14
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Subconchoidal, Conchoidal
Cleavage
Imperfect on {110}
Poor on {120}, in traces on {001}
Mohs Hardness
5.55.5-6
2
10
👆🏻
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
Very weak
Dispersion
0.020.20
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.5002.583-2.741
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Orthorhombic
Birefringence
-99990.117
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
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Psychology
Communication
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Transformation