Origin
Afghanistan, Southern and central Africa
Southern and central Africa
Color
Blue, Greenish, Violet
Red, Brown, Black
Streak
Blue, White
Brownish, Red
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
2.755.85-6.15
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Imperfect on {110}
Fair in four directions forming octahedrons
Mohs Hardness
5.53.5-4
2
10
👆🏻
Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
visible
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
-
TranslucentWalter Schumann
Refractive Index
1.5002.849
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
cubic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
TranslucentWalter Schumann
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Clarity
Vitality