Origin
Brazil
Southern and central Africa
Color
Blue
White, Blue, gray, Green, Brown
Streak
-
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
2.60-2.902.30-2.40
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
Indistinct
{110} Perfect
Mohs Hardness
7.5-8-9999
2
10
👆🏻
Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Luster
-
-
Pleochroism
Strong dichroism: blue to colourless\
-
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.560-1.604-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
-
Birefringence
0.003-0.010-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
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-
Psychology
Communication
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Clarity