Astrology
Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
USA
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
Colorless, Greenish, White, Yellow
Streak
White
White
For which Rashi?
Libra
Not Available
Planet
Venus, Mars
Not Available
Element of Planets
Water
Not Available
Energy
Projective
Not Available
How to Wear?
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Venus
Not Available
Not to wear with
Not Available
Not Available
Powers
Love, Courage
Not Available
Birthstone
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
2.90
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Indistinct
None
Mohs Hardness
7-7.5
6
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Optical Properties
Luster
Vitreous
Vitreous
Pleochroism
typically moderate to strong
Not Available
Dispersion
0.02
22
Not Available
Transparency
Transparent, Translucent, Transparent to opaque
Transparent
Refractive Index
1.614-1.666
1.595-1.604
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.014-0.040
0.009
Clarity
Transparent
Transparent
Benefits
Physical
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
