1 Astrology
1.1 Origin
the type locality
Southern and central Africa
1.2 Color
Colorless, gray, White
Violet, Blue, Yellow, Brown, White, Colorless
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
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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
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
2.6 Cleavage
Perfect on {010}, good on {100}
Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Be 2BO 3(OH)Ulrich Henn and Claudio C.
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Resinous
3.2 Pleochroism
NilArthur Thomas
Weak to strong if coloreD
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.543-1.6311.631-1.650
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.071-0.074Not Available
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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