1 Astrology
1.1 Origin
Southern and central Africa
Not Available
1.2 Color
Colorless, Colorless, gray, White, White
White, Colorless, Blue, Red, Green, Yellow, Violet
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
Not Available
Venus, Mars
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
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.40-2.422.85-3.35
1
7.18
2.5 Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
{010} Perfect, {001} Distinct
3,2
2.7 Mohs Hardness
2.8 Chemical Composition
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Tourmaline is a series of several different minerals with unique chemical formulas.
3 Optical Properties
3.1 Luster
3.2 Pleochroism
NilArthur Thomas
Not Available
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent
3.5 Refractive Index
1.584-1.6151.614-1.666
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Hexagonal
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
Not Available
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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
Not Available
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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
Not Available