Origin
Brazil
-
Color
Blue, Greenish
Brown, Blue, Green, Yellow, White
Streak
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.313.32-3.43
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{110} Good
Poor on {110} and {100} very poor on {001}
Mohs Hardness
5.5-66-7
2
10
👆🏻
Chemical Composition
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
-
Vitreous, Resinous
Pleochroism
Colorless blueAnthony et al
slight in colored varieties
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.639-1.6801.703-1.752
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
tetragonal
Birefringence
0.0410.004-0.006
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition & Communication
Transformation