Origin
Tanzania, Sri Lanka, China
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Color
Colorless
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
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.60-3.613.80-4.15
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Imperfect/fair/absent
perfect along [010] and [100]
Mohs Hardness
8-8.53.5-4
2
10
👆🏻
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Silky
Pleochroism
Weak
X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.70-1.731.752-1.815
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
Orthorhombic
Birefringence
0.0550.063
0
0.296
👆🏻
Clarity
-
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
Transformation
Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Spiritual Growth
Communication