1 Astrology
1.1 Origin
Southern and central Africa, Switzerland, Yellow, blue, Switzerland, Yellow, blue
Madagascar
1.2 Color
Red, Brown, Green, Yellow, Blue, Blue, Green, Yellow, Colorless, Pale pink, Red, White, Brown, Black, White, Yellow, Green, Red, Blue, pink
Brownish, Black, Reddish, Brown, Blue
1.3 Streak
1.4 For which Rashi?
Scorpio, Aquarius, Pisces, Scorpio, Aquarius, Pisces, Scorpio, Aquarius, Pisces
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1.5 Planet
1.6 Element of Planets
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
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
slightly water soluble and in hot hydrochloric acid
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2.3 Durability
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2.4 Specific Gravity
2.5 Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
Octahedral, perfect on {111}, parting on {011}
{0001} good, {10 1 0} parting
2.7 Mohs Hardness
2.8 Chemical Composition
CaF2
(Ca,Ce)(Al,Ti,Mg)12O19
3 Optical Properties
3.1 Luster
3.2 Pleochroism
AbsentWalter Schumann
O = brownish gray; E = gray
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to translucent
Handbook of mineralogy (2001)
3.5 Refractive Index
1.432-1.4361.79-1.807
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
Not AvailableNot Available
0
0.296
3.9 Clarity
Transparent
Handbook of mineralogy (2001)
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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