1 Astrology
1.1 Origin
Not Available
Southern and central Africa
1.2 Color
Reddish, Brown, Yellow, Green, Red, Greenish, gray
Yellow, Blue, Colorless, Yellow, White
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
Not Available
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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
Not Available
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2 Physical Properties
2.1 Tenacity
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.5 Fracture
Conchoidal, Uneven, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
2.6 Cleavage
Imperfect on {001}, indistinct on {011}
None observed
2.7 Mohs Hardness
2.8 Chemical Composition
Not Available
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Resinous, Subadamantine
Vitreous
3.2 Pleochroism
3.3 Dispersion
3.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
3.5 Refractive Index
2.180-2.1901.638-1.650
1
3.25
3.6 Optic Character
Not Available
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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
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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
Not Available
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