1 Astrology
1.1 Origin
Guatemala, Russia, Columbia, Canada, Italy
Southern and central Africa
1.2 Color
White, Red, Brown, Green, gray
Yellow, Brown, Yellow, White, Reddish, orange
1.3 Streak
1.4 For which Rashi?
Not Available
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1.5 Planet
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1.6 Element of Planets
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1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
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1.8 Energy
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1.9 Deities
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1.10 Not to wear with
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1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.28-3.383.13-3.75
1
7.18
2.5 Fracture
Splintery, UnevenArthur Thomas, Difficult, Fibrous
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
2.6 Cleavage
Good on [110]
Poor on {100}
2.7 Mohs Hardness
2.8 Chemical Composition
NaAlSi 2O 6Ulrich Henn and Claudio C.
(Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
3 Optical Properties
3.1 Luster
Pearly
Vitreous, Resinous
3.2 Pleochroism
NilArthur Thomas
Colorless
3.3 Dispersion
3.4 Transparency
Translucent
Transparent, Translucent
3.5 Refractive Index
1.652-1.6881.623-1.728
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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