Origin
Tanzania
Brazil
Color
Blue
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Streak
White, Colorless
White
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
3.352.65-2.90
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
Perfect {010}, imperfect {100}
{001} Perfect
Mohs Hardness
6.5-7-9999
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)3(OH)
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Pearly
Pleochroism
Present
-
Dispersion
0.030.05
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.685-1.7071.534-1.601
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.006-0.0180.050
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
-
Healing
Emotional healing
-
Qualities Associated
Communication
Emotional Healing