Origin
Brazil
India, Russia
Color
Blue, Greenish
White
Streak
White
White
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
-
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Solubility
-
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Durability
-
-
Specific Gravity
3.312.25-2.40
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
{110} Good
perfect on {010}; good on {100}
Mohs Hardness
5.5-65-5.5
2
10
👆🏻
Chemical Composition
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Pearly
Pleochroism
Colorless blueAnthony et al
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.639-1.6801.510-1.550
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Orthorhombic
Birefringence
0.0410.015-0.020
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
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Cardiovascular
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Respiratory
Good
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Reproductive
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Digestive
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Psychology
Communication
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Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition & Communication
Awareness