1 Astrology
1.1 Origin
Southern and central Africa
USA
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black, Green, Red, Blue, White
Colorless, White
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
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
3.03-3.181.65-1.99
1
7.18
2.5 Fracture
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic
2.6 Cleavage
{???} Indistinct
{010} Perfect, {110} Perfect
2.7 Mohs Hardness
2.8 Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Very strong: pale yellow colorless
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
3.5 Refractive Index
1.614-1.6661.491-1.520
1
3.25
3.6 Optic Character
Not Available
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3.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
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3.8 Birefringence
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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