1 Astrology
1.1 Origin
Pakistan, Italy, Russia, China, Brazil, Switzerland, Madagascar, Austria, Canada
Not Available
1.2 Color
Reddish, Brown, Yellow, Green, Red, gray
Colorless, White, Brownish, Reddish, Black, Brownish, Black, Colorless, gray, White, Reddish, Brown
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
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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
Not Available
Not Available
1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Sub-Conchoidal, Conchoidal, Brittle
Uneven
2.6 Cleavage
Distinct on [110], parting on {221}
None observed
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Na 3AlF 6Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Subadamantine, Resinous
Vitreous, Greasy, Pearly
3.2 Pleochroism
Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange
colorless.
3.3 Dispersion
3.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.885-1.9901.338-1.339
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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4.1.2 Cardiovascular
Not Available
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available