1 Astrology
1.1 Origin
Southern and central Africa
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
1.2 Color
Yellow, Brown, Black, Black
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Not Available
Venus, Mars
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
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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
Not Available
Love, Courage
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
2.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
{010} moderate, {100} imperfect
Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
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
Vitreous, Resinous
Vitreous
3.2 Pleochroism
Faint
typically moderate to strong
3.3 Dispersion
3.4 Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.827-1.8791.614-1.666
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.042-0.0510.014-0.040
0
0.296
3.9 Clarity
TransparentAnthony et al
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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