1 Astrology
1.1 Origin
Canada, Southern and central Africa, Italy, Australia, India
Canada, Columbia, Brazil, Burma, Russia, blue
1.2 Color
Violet, Brownish, Yellow, Reddish, Pale pink
Blue, White, pink, gray, Green
1.3 Streak
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.69-2.792.15-2.40
1
7.18
1.2 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
1.3 Cleavage
Poor on {0001}
Poor on {110}
1.4 Mohs Hardness
1.8 Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na8Al6Si6O24Cl2
2 Optical Properties
2.1 Luster
2.2 Pleochroism
Weak
AbsentWalter Schumann
2.3 Dispersion
2.4 Transparency
Translucent
Transparent, Translucent, Opaque
2.5 Refractive Index
1.607-1.6121.478-1.488
1
3.25
2.6 Optic Character
Not Available
Not Available
2.7 Crystal System
2.8 Birefringence
0.003Not Available
0
0.296
2.9 Clarity
3 Benefits
3.1 Physical
3.1.1 Neurological
Not Available
Not Available
3.1.2 Cardiovascular
Not Available
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3.1.3 Respiratory
Not Available
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3.1.4 Reproductive
Not Available
Not Available
3.1.5 Digestive
Not Available
Not Available
3.2 Psychology
Not Available
Not Available
3.3 Healing
Not Available
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3.4 Qualities Associated
Not Available
Not Available