Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
  
Southern and central Africa
  
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
  
Violet, Blue, Red, Yellow, Brown, gray
  
Streak
White
  
White, None
  
For which Rashi?
Libra
  
Not Available
  
Planet
Venus, Mars
  
Not Available
  
Element of Planets
Water
  
Not Available
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Projective
  
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
  
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
insoluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.35
  
3.90-4.05
  
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, Gems, Difficult, Fibrous
  
Cleavage
Indistinct
  
None – parting in 3 directions
  
Mohs Hardness
7-7.5
  
9
  
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
Al 2O 3Arthur Thomas , Gemstones (2009)
  
Luster
Vitreous
  
Adamantine, Vitreous
  
Pleochroism
typically moderate to strong
  
None
  
Transparency
Transparent, Translucent, Transparent to opaque
  
Transparent, Translucent
  
Refractive Index
1.614-1.666
  
1.758-1.780
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Trigonal
  
Trigonal
  
Birefringence
0.014-0.040
  
0.007-0.010
  
Clarity
Transparent
  
Gemmological Tables (2004) More from other references
  
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
  
Tourmaline Vs Corundum Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Tourmaline Vs Corundum specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Tourmaline and Corundum Astrology. Its highly necessary to have a basic knowledge of facts about Tourmaline and Corundum, before you finalize to buy one.
Tourmaline is known to regulate the influence of Mars and Venus planet.Tourmaline, that occurs commonly in Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink color, possesses Projective energy.Corundum, the unique gem is known to regulate the influence of Not Available planet.