Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Sri Lanka, Burma, USA, Russia
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
Yellow, Brown, pink, Colorless
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
2.85-3.353.46-3.50
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
Indistinct
Perfect
Mohs Hardness
7-7.56-7
2
10
👆🏻
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
-
Pleochroism
typically moderate to strong
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to opaque
-
Refractive Index
1.614-1.6661.665-1.712
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic
Birefringence
0.014-0.0400.036-0.042
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Protection
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Emotional Healing