1 Astrology
1.1 Origin
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Blue
1.3 Streak
Not Available
Not Available
1.4 For which Rashi?
Libra
Sagittarius, Scorpio
1.5 Planet
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
1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
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2.4 Specific Gravity
2.85-3.353.65-4.55
1
7.18
2.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
3,2
None, but may exhibit slight parting
2.7 Mohs Hardness
2.8 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
3 Optical Properties
3.1 Luster
3.2 Pleochroism
Not Available
AbsentWalter Schumann
3.3 Dispersion
3.4 Transparency
Transparent, Translucent
Gemmological Tables (2004)
3.5 Refractive Index
1.614-1.6661.735-1.790
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
3.8 Birefringence
0.014-0.040Not Available
0
0.296
3.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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
Not Available
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4.1.5 Digestive
Not Available
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4.2 Psychology
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
Not Available