Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Southern and central Africa
Color
Blue, Green, Brownish, Greenish, Colorless, gray
Colorless, White, gray, Brown, pink
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
3.20-3.263.05-3.08
1
7.18
👆🏻
Fracture
Splintery
Uneven, Irregular, Conchoidal
Cleavage
{010} perfect
None
Mohs Hardness
6-7.56.5
2
10
👆🏻
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Subadamantine, Silky
Vitreous
Pleochroism
Colourless to pale brown to yellow
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Semitransparent
Refractive Index
1.653-1.685-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
Birefringence
0.020-0.022-9999
0
0.296
👆🏻
Clarity
Transparent
TranslucentAnthony et al
Physical
Neurological
-
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Empathy
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Emotional Healing