1 Astrology
1.1 Origin
Southern and central Africa
Brazil, Southern and central Africa
1.2 Color
Blue, Green, Colorless
White, Colorless, Greenish, gray
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
Not Available
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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
2.64-2.702.98-3.10
1
7.18
2.5 Fracture
(e.g. graphite).
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
2.6 Cleavage
{010} Perfect
{100} Perfect, {110} Good, {011} Distinct
2.7 Mohs Hardness
2.8 Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Not Available
3.2 Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
Not Available
3.3 Dispersion
3.4 Transparency
Transparent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
3.5 Refractive Index
1.560-1.6401.578-1.646
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Not Available
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3.8 Birefringence
0.054-0.0750.020-0.030
0
0.296
3.9 Clarity
Transparent
TransparentWalter Schumann
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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