1 Astrology
1.1 Origin
Canada, Russia, Kenya, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Brazil, Russia, Norway, Brazil
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1.2 Color
Green, Greenish, Black, Green, Greenish, Black, Green, Greenish, Black, Reddish, Brown, Black, Green, Greenish, Black, Reddish, Brown, Black, Green, Greenish, Black, Reddish, Brown, Black
White, Colorless, Blue, Red, Green, Yellow, Violet
1.3 Streak
Yellow, Yellowish-grey, gray
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1.4 For which Rashi?
1.5 Planet
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Venus, Mars
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
1.10 Not to wear with
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1.11 Powers
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
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2.3 Durability
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2.4 Specific Gravity
3.50-3.602.85-3.35
1
7.18
2.5 Fracture
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
3,2
2.7 Mohs Hardness
2.8 Chemical Composition
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Tourmaline is a series of several different minerals with unique chemical formulas.
3 Optical Properties
3.1 Luster
Vitreous, Resinous
Vitreous
3.2 Pleochroism
X = emerald green
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3.3 Dispersion
3.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
3.5 Refractive Index
1.720-1.7781.614-1.666
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
0.037-0.0610.014-0.040
0
0.296
3.9 Clarity
Gemmological Tables (2004) More from other references
Transparent
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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