Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Canada, Southern and central Africa
Color
Blue, Green, Brownish, Greenish, Colorless, gray
Green, Yellow, Red
Streak
White
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
Tough
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.20-3.263.28-3.32
1
7.18
👆🏻
Fracture
Splintery
Uneven
Cleavage
{010} perfect
{101} Distinct
Mohs Hardness
6-7.56-6.5
2
10
👆🏻
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Subadamantine, Silky
Vitreous
Pleochroism
Colourless to pale brown to yellow
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.653-1.6851.593-1.596
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
Birefringence
0.020-0.0220.001
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Personal power
Healing
Emotional healing
Physical healing
Qualities Associated
Creativity
Vitality