Origin
Brazil
Canada, Southern and central Africa, Italy, Australia, India
Color
Blue
Violet, Brownish, Yellow, Reddish, Pale pink
Streak
-
White
For which Rashi?
-
Virgo
Planet
-
Mercury, Jupiter
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.902.69-2.79
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Indistinct
Poor on {0001}
Mohs Hardness
7.5-85.5-6.5
2
10
👆🏻
Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous
Pleochroism
Strong dichroism: blue to colourless\
Weak
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.560-1.6041.607-1.612
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Hexagonal
Birefringence
0.003-0.0100.003
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Spiritual Protection