Origin
Canada, USA, Brazil, Italy, Mozambique, Zimbabwe, Russia, Burma, Australia
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Color
Colorless, gray, Yellow, White
Blue, Green
Streak
Colorless
Blue
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
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-
Talisman
-
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Tenacity
Brittle
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Solubility
insoluble
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Durability
-
-
Specific Gravity
2.403.80-4.15
1
7.18
👆🏻
Fracture
Subconchoidal, ConchoidalWalter Schumann, Conchoidal
Uneven
Cleavage
Perfect on {001}, poor on {201} with 38.5° angle between the two
perfect along [010] and [100]
Mohs Hardness
6-6.53.5-4
2
10
👆🏻
Chemical Composition
LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Silky
Pleochroism
-
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.502-1.5231.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic
Birefringence
0.012-0.0160.063
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
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-
Cardiovascular
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Respiratory
Good
Good
Reproductive
-
-
Digestive
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Psychology
Calmness
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Communication