Origin
Brazil
Sri Lanka
Color
Blue
Red, Blue, Green, Brown, Black
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
2.60-2.903.63-3.9
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Indistinct
Indistinct
Mohs Hardness
7.5-87.5-8
2
10
👆🏻
Chemical Composition
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Luster
-
Vitreous
Pleochroism
Strong dichroism: blue to colourless\
Absent
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.560-1.6041.770-1.780
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Isometric
Birefringence
0.003-0.010-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Emotional Healing