Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Southern and central Africa
Color
Blue, Green, Brownish, Greenish, Colorless, gray
Brownish, Red, orange
Streak
White
White
For which Rashi?
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-
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
3.20-3.264.00-4.03
1
7.18
👆🏻
Fracture
Splintery
Conchoidal
Cleavage
{010} perfect
Distinct
Mohs Hardness
6-7.57.5-8
2
10
👆🏻
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Subadamantine, Silky
-
Pleochroism
Colourless to pale brown to yellow
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.653-1.6851.787-1.816
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.020-0.0220.029
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
Good
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Reproductive
-
-
Digestive
-
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Psychology
Creativity
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Healing
Emotional healing
Physical healing
Qualities Associated
Creativity
Transformation