Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
USA, Southern and central Africa, China, India, Italy
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
White, Yellow
Streak
White
-
For which Rashi?
Libra
Gemini
Planet
Venus, Mars
Saturn
Element of Planets
Water
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Venus
-
Not to wear with
-
-
Powers
Love, Courage
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.85-3.352.44-2.62
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
Indistinct
Indiscernible
Mohs Hardness
7-7.52.5-5.5
2
10
👆🏻
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous, Greasy, Silky
Pleochroism
typically moderate to strong
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to opaque
Translucent
Refractive Index
1.614-1.6661.560-1.571
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
monoclinic
Birefringence
0.014-0.0400.008-0.014
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Aids in mental clarity and focus
Aids in mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Protection
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Protection