Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Southern and central Africa
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
Yellow, Blue, Black, Green, gray
Streak
White
White
For which Rashi?
Libra
-
Planet
Venus, Mars
-
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Venus
-
Not to wear with
-
-
Powers
Love, Courage
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.85-3.353.43-3.44
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
Indistinct
None Observed
Mohs Hardness
7-7.56.5-7
2
10
👆🏻
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
typically moderate to strong
visible
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to opaque
-
Refractive Index
1.614-1.6661.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Triclinic
Birefringence
0.014-0.0400.005
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Protection
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Transformation