Origin
USA, Switzerland, Tanzania, Madagascar, Russia, Sri Lanka
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Color
Colorless, Yellow, pink, Red
Blue, Green
Streak
White
Blue
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
2.90-2.983.80-4.15
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
Uneven
Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
perfect along [010] and [100]
Mohs Hardness
7.5-83.5-4
2
10
👆🏻
Chemical Composition
Be 2SiO 4Michael 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
Silky
Pleochroism
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.650-1.6951.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.0160.063
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
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Cardiovascular
Supports heart health
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Respiratory
Excellent
Good
Reproductive
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Digestive
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Psychology
Clarity
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Activation
Communication