Origin
Italy, China
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Color
Colorless, White, Blue, gray
Yellow, Black
Streak
White
Green
For which Rashi?
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Planet
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Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
-
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Birthstone
Planetary
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Talisman
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Tenacity
Brittle
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Solubility
-
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Durability
-
-
Specific Gravity
3.094.39
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
Perfect on {100} and {010}, imperfect on {101}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
87.5-8
2
10
👆🏻
Chemical Composition
CaAl2Si2O7(OH)2.H2O
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
Vitreous, Greasy
Vitreous
Pleochroism
Weak
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Dispersion
0.010.03
0.005
1
👆🏻
Transparency
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Translucent
Refractive Index
1.672-1.6761.80-1.83
1
3.25
👆🏻
Optic Character
-
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Crystal System
Orthorhombic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.019-0.021-9999
0
0.296
👆🏻
Clarity
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Translucent
Physical
Neurological
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Cardiovascular
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Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
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Healing
Emotional healing
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Qualities Associated
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Balance