1 Astrology
1.1 Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Southern and central Africa
1.2 Color
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
Green, Grey, Green, White
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
2.85-3.352.60-3.02
1
7.18
2.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Uneven
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,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
typically moderate to strong
Distinct: light yellow-green to light bluE
3.3 Dispersion
3.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent
3.5 Refractive Index
1.614-1.6661.571-1.597
1
3.25
3.6 Optic Character
3.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
3.8 Birefringence
0.014-0.040Not Available
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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