2 Astrology
2.2 Origin
Southern and central Africa
Southern and central Africa
2.4 Color
White, Blue, gray, Green, Brown
White, Colorless, Blue, Red, Green, Yellow, Violet
1.2 Streak
1.5 For which Rashi?
Not Available
Not Available
1.8 Planet
Not Available
Not Available
1.11 Element of Planets
Not Available
Not Available
1.4 Energy
Not Available
Not Available
1.7 How to Wear?
1.7.2 Finger
Not Available
Not Available
1.9.2 Ring Metal
Not Available
Not Available
1.12 Deities
Not Available
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1.15 Not to wear with
Not Available
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1.18 Powers
Not Available
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1.3 Birthstone
1.4.1 Planetary
Not Available
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1.9.1 Talisman
Not Available
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2 Physical Properties
3.1 Tenacity
Not Available
Not Available
3.6 Solubility
Not Available
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4.3 Durability
Not Available
Not Available
4.8 Specific Gravity
2.30-2.402.55-2.70
1
7.18
6.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Not Available
6.6 Cleavage
{110} Perfect
Not Available
6.7 Mohs Hardness
6.20 Chemical Composition
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
SiO 2Ulrich Henn and Claudio C.
7 Optical Properties
7.1 Luster
Not Available
Not Available
7.2 Pleochroism
Not Available
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7.3 Dispersion
11.4 Transparency
11.5 Refractive Index
Not Available1.530-1.543
1
3.25
11.14 Optic Character
Not Available
Not Available
11.15 Crystal System
Not Available
Not Available
11.16 Birefringence
Not Available0.008-0.010
0
0.296
11.29 Clarity
12 Benefits
12.1 Physical
12.1.1 Neurological
Not Available
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12.1.2 Cardiovascular
Not Available
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12.1.3 Respiratory
Not Available
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12.1.4 Reproductive
Not Available
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12.1.5 Digestive
Not Available
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12.2 Psychology
Not Available
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12.4 Healing
Not Available
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13.2 Qualities Associated
Not Available
Not Available