1 Astrology
1.1 Origin
Afghanistan, Southern and central Africa
Not Available
1.2 Color
Grey, White, Colorless, gray, Pale pink, Blue
Green, Grey, Blue, Yellow, Colorless, Violet, Red
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
Not Available
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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
2.2 Solubility
Readily soluble in HF
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2.3 Durability
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2.4 Specific Gravity
2.86-2.94Not Available
1
7.18
2.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Sub-Conchoidal, Splintery
2.6 Cleavage
None observed
{201} Imperfect, {100} Poor, {001} Poor
2.7 Mohs Hardness
2.8 Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Not Available
3 Optical Properties
3.1 Luster
Vitreous, Greasy
Sub-Adamantine, Vitreous, Resinous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
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3.5 Refractive Index
1.517-1.525Not Available
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Transparent
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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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