Origin
Tanzania
India
Color
Blue
Yellow, Greenish, Blue, Brown, Green, gray
Streak
White, Colorless
Yellow
For which Rashi?
Sagittarius, Pisces, Virgo
-
Planet
-
-
Element of Planets
Air, Water, Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
Love, Healing
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
Hard
-
Specific Gravity
3.354.23
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Perfect {010}, imperfect {100}
{111} Distinct
Mohs Hardness
6.5-73.5-4
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Greasy, Subadamantine
Pleochroism
Present
In deeply colored specimens: blue greenAnthony et al
Dispersion
0.030.03
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.685-1.7071.974-1.984
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.006-0.018-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Vitality