1 Astrology
1.1 Origin
Brazil, Southern and central Africa
Australia, Burma Widespread Canada
1.2 Color
Blue, Green, Black
Yellow, Grey, Blue, Brown, Red, Yellow, Green, orange
1.3 Streak
1.4 For which Rashi?
Gemini, Sagittarius, Gemini, Sagittarius, Gemini, Sagittarius
Not Available
1.5 Planet
1.6 Element of Planets
Not Available
Not Available
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
1.10 Not to wear with
Not Available
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1.11 Powers
1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.04-3.17Not Available
1
7.18
2.5 Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Not Available
2.6 Cleavage
{001} Indistinct, {???} Indistinct
None
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Au
3 Optical Properties
3.1 Luster
Not Available
Not Available
3.2 Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Not Available
3.3 Dispersion
1.13 Transparency
Transparent, Translucent
Opaque
1.14 Refractive Index
1.604-1.646Not Available
1
3.25
1.15 Optic Character
Not Available
Not Available
1.16 Crystal System
1.17 Birefringence
0.031-0.036Not Available
0
0.296
1.18 Clarity
2 Benefits
2.1 Physical
2.1.1 Neurological
Not Available
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2.1.2 Cardiovascular
Not Available
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2.1.3 Respiratory
Not Available
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2.1.4 Reproductive
Not Available
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2.1.5 Digestive
Not Available
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2.2 Psychology
Not Available
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2.3 Healing
Not Available
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2.4 Qualities Associated
Not Available
Not Available