1 Astrology
1.1 Origin
Southern and central Africa
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
1.2 Color
Black, Reddish, gray, Red
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
1.3 Streak
Black, Brown, Reddish, Red
White
1.4 For which Rashi?
1.5 Planet
1.6 Element of Planets
1.7 Energy
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1.8 How to Wear?
1.8.1 Finger
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1.8.2 Ring Metal
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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
5.00-5.302.85-3.35
1
7.18
2.5 Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven, Conchoidal
2.6 Cleavage
None, may show partings on {0001} and {10 1 1}
Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
O = brownish red; E = yellowish red
typically moderate to strong
3.3 Dispersion
3.4 Transparency
OpaqueHerve Nicolas Lazzarelli
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
2.690-3.2201.614-1.666
1
3.25
3.6 Optic Character
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3.7 Crystal System
3.8 Birefringence
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
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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