1 Astrology
1.1 Origin
Canada
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
1.2 Color
Yellow, Brown, Red, White, Green, Reddish, 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
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Love, Courage
1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
3.89-4.182.85-3.35
1
7.18
2.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
{0001}, {11 2 0} imperfect
Indistinct
2.7 Mohs Hardness
2.8 Chemical Composition
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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
NilArthur Thomas
typically moderate to strong
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
3.5 Refractive Index
1.687-1.7231.614-1.666
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.028-0.0300.014-0.040
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
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4.1.3 Respiratory
Not Available
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4.1.4 Reproductive
Not Available
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4.1.5 Digestive
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4.2 Psychology
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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