1 Astrology
1.1 Origin
Southern and central Africa
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
1.2 Color
Violet, Blue, Red, Yellow, Brown, gray
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
1.2 How to Wear?
1.2.1 Finger
Not Available
Not Available
1.3.1 Ring Metal
Not Available
Not Available
1.4 Energy
1.6 Deities
1.7 Not to wear with
Not Available
Not Available
1.8 Powers
Not Available
Love, Courage
1.9 Birthstone
1.9.1 Planetary
Not Available
Not Available
1.9.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
2.2 Solubility
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.90-4.052.85-3.35
1
7.18
2.5 Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
None – parting in 3 directions
Indistinct
2.7 Mohs Hardness
2.10 Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
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
Adamantine, Vitreous
Vitreous
3.2 Pleochroism
None
typically moderate to strong
3.3 Dispersion
3.7 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
3.8 Refractive Index
1.758-1.7801.614-1.666
1
3.25
3.10 Optic Character
Not Available
Not Available
3.11 Crystal System
3.12 Birefringence
0.007-0.0100.014-0.040
0
0.296
3.13 Clarity
Gemmological Tables (2004) More from other references
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available