Origin
Brazil, Southern and central Africa, Sri Lanka
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Color
Red, gray
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
Streak
Red, Black
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
Insoluble in acids
-
Durability
-
-
Specific Gravity
4.20-4.302.85-3.35
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Indistinct
Mohs Hardness
6-6.57-7.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Luster
Adamantine
Vitreous
Pleochroism
Weak to distinct brownish red-green-yellow
typically moderate to strong
Dispersion
0.330.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
Refractive Index
2.609-2.9031.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Trigonal
Birefringence
0.2960.014-0.040
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Clarity
Protection
Healing
Physical healing
Emotional healing
Qualities Associated
Awareness
Protection