1 Astrology
1.1 Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
1.2 Color
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
Violet, Blue
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Venus, Mars
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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
Love, Courage
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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
2.85-3.352.56-2.66
1
7.18
2.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
2.6 Cleavage
2.7 Mohs Hardness
2.8 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
typically moderate to strong
Strong trichroism: colorless to yellowish
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent
3.5 Refractive Index
1.614-1.6661.542-1.578
1
3.25
3.6 Optic Character
3.7 Crystal System
3.8 Birefringence
0.014-0.0400.008-0.012
0
0.296
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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