1 Astrology
1.1 Origin
Southern and central Africa
Kenya, Southern and central Africa
1.2 Color
Colorless, White, Greenish
Green, Brown, Yellow, Red
1.3 Streak
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
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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
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2.2 Solubility
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.90-3.023.55-3.70
1
7.18
2.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Gemstones (2009)
2.6 Cleavage
Indistinct on {110}
Not Available
2.7 Mohs Hardness
2.8 Chemical Composition
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.587-1.6421.710-1.735
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.028-0.0320.012-0.033
0
0.296
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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