Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Austria, Zimbabwe, Australia
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
Red, Brown, Violet
Element of Planets
Water
-
Specific Gravity
2.85-3.35
5.06-5.08
Fracture
Uneven, Conchoidal
Uneven, Subconchoidal, Conchoidal
Cleavage
Indistinct
Poor on [111].
Mohs Hardness
7-7.5
3-3.25
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Cu5FeS4
Pleochroism
typically moderate to strong
Weak
Transparency
Transparent, Translucent, Transparent to opaque
-
Refractive Index
1.614-1.666
-9999
Crystal System
Trigonal
Orthorhombic
Birefringence
0.014-0.040
-9999
Neurological
Aids in mental clarity and focus
-
Digestive
Supports digestive health
-
Psychology
Protection
Transformation
Healing
Emotional healing
Physical healing
Qualities Associated
Protection
Creativity