Origin
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
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Color
Violet, White, gray, Brown, pink, Yellow
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
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Solubility
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Durability
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Specific Gravity
2.58-2.743.80-4.15
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann, Splintery
Uneven
Cleavage
{100} Distinct, {110} Distinct
perfect along [010] and [100]
Mohs Hardness
5.5-63.5-4
2
10
👆🏻
Chemical Composition
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter 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
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Silky
Pleochroism
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X = very pale blue; Y = pale blue; Z = deep blue
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
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Translucent
Refractive Index
1.540-1.5791.752-1.815
1
3.25
👆🏻
Optic Character
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Crystal System
tetragonal
Orthorhombic
Birefringence
0.006-0.0370.063
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Creativity
Communication
Healing
Emotional healing
Emotional healing
Qualities Associated
Problem Solving & Creativity
Communication