Origin
-
Southern and central Africa
Color
Blue, White, Grey, Yellow, Green, Colorless, Red, gray
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
Gelatinises in acids
-
Durability
-
-
Specific Gravity
2.4-2.55.85-6.15
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Distinct on {110}
Fair in four directions forming octahedrons
Mohs Hardness
5-63.5-4
2
10
👆🏻
Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Adamantine
Pleochroism
None
visible
Dispersion
0.010.05
0.005
1
👆🏻
Transparency
-
TranslucentWalter Schumann
Refractive Index
1.502.849
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
Communication
Vitality