1 Astrology
1.1 Origin
Not Available
Not Available, Southern and central Africa
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Brown, White, Greenish, gray, Green, Brown, Brownish, White, Greenish, gray, Green, Brown, Brownish
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Venus, Mars
Not Available
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
1.2 Energy
1.4 Deities
Venus, Mars
Not Available
1.7 Not to wear with
Not Available
Not Available
1.10 Powers
Love, Courage
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
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1.15.1 Talisman
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2 Physical Properties
2.1 Tenacity
Not Available
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3.2 Solubility
Not Available
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3.5 Durability
Not Available
Not Available
3.7 Specific Gravity
3.11 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
3.12 Cleavage
3,2
{110} Perfect, {???} Distinct, {???} Distinct
3.14 Mohs Hardness
4.6 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
5 Optical Properties
5.1 Luster
Vitreous
Vitreous, Pearly
5.2 Pleochroism
Not Available
When Fe-rich
5.3 Dispersion
6.5 Transparency
Transparent, Translucent
Transparent
6.6 Refractive Index
1.614-1.6661.603-1.690
1
3.25
6.7 Optic Character
6.8 Crystal System
Hexagonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
6.9 Birefringence
0.014-0.040Not Available
0
0.296
6.10 Clarity
7 Benefits
7.1 Physical
7.1.1 Neurological
Not Available
Not Available
7.1.2 Cardiovascular
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7.1.3 Respiratory
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7.1.4 Reproductive
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7.1.5 Digestive
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7.2 Psychology
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7.3 Healing
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7.4 Qualities Associated
Not Available
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