Origin
Italy, China
Southern and central Africa
Color
Colorless, White, Blue, 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
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.094.00-4.03
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect on {100} and {010}, imperfect on {101}
Distinct
Mohs Hardness
87.5-8
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
-
Pleochroism
Weak
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.672-1.6761.787-1.816
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.019-0.0210.029
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
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Cardiovascular
-
-
Respiratory
Good
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Reproductive
-
-
Digestive
-
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Psychology
-
-
Healing
Emotional healing
Physical healing
Qualities Associated
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Transformation