Origin
Canada
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Color
Green
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
Streak
-
White
For which Rashi?
Libra, Sagittarius, Taurus
Libra
Planet
Jupiter
Venus, Mars
Element of Planets
Water
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Venus
Not to wear with
-
-
Powers
-
Love, Courage
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.652.85-3.35
1
7.18
👆🏻
Fracture
Conchoidal, ConchoidalWalter Schumann
Uneven, Conchoidal
Cleavage
3,1
Indistinct
Mohs Hardness
77-7.5
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Luster
Vitreous
Vitreous
Pleochroism
Very weak: light green pale greenWalter Schumann
typically moderate to strong
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
Refractive Index
1.544-1.5531.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Trigonal
Birefringence
0.0090.014-0.040
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
Supports digestive health
Psychology
-
Protection
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Connection
Protection