Origin
Canada, Southern and central Africa
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Color
Colorless, White, gray, pink, Green
Blue, Green
Streak
White
Blue
For which Rashi?
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-
Planet
-
-
Element of Planets
-
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Energy
-
-
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
-
-
Birthstone
Planetary
-
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Talisman
-
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Tenacity
Brittle
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Solubility
-
-
Durability
-
-
Specific Gravity
2.74-2.903.80-4.15
1
7.18
👆🏻
Fracture
Uneven, Splintery
Uneven
Cleavage
Perfect on {100} and {001}
perfect along [010] and [100]
Mohs Hardness
4.5-53.5-4
2
10
👆🏻
Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Silky
Silky
Pleochroism
-
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.595-1.6451.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Orthorhombic
Birefringence
0.028-0.0380.063
0
0.296
👆🏻
Clarity
Transparent
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
Healing
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Healing
Communication