1 Astrology
1.1 Origin
Southern and central Africa
Australia, Spain, Brazil, Germany, Australia, Spain, Brazil, Germany, Australia, Spain, Brazil
1.2 Color
Yellow, Blue, Colorless, Yellow, White
Green, Blue, Colorless
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Not Available
Not Available
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
Not Available
Past Life Recall
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
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.28-3.312.42-2.58
1
7.18
2.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
2.6 Cleavage
None observed
[010] perfect
2.7 Mohs Hardness
2.8 Chemical Composition
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
AlPO4 · 2(H2O)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Colorless
MissingWalter Schumann
3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Translucent, Opaque . May be translucent when backlit on the edges.
3.5 Refractive Index
1.638-1.6501.560-1.594
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
3.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
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