Origin
Southern and central Africa
  
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
  
Color
Brown, Brown, Green, Green, gray, White
  
Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink
  
Streak
gray, White, gray, White
  
White
  
For which Rashi?
Not Available
  
Libra
  
Planet
Not Available
  
Venus, Mars
  
Element of Planets
Not Available
  
Water
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Not Available
  
Projective
  
Deities
Not Available
  
Venus
  
Not to wear with
Not Available
  
Not Available
  
Powers
Not Available
  
Love, Courage
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.15-3.259
  
2.85-3.35
  
Fracture
Not Available
  
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
  
Indistinct
  
Mohs Hardness
5.5-6
  
7-7.5
  
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
  
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
Luster
Fibrous, Vitreous
  
Vitreous
  
Pleochroism
Weak to moderate
  
typically moderate to strong
  
Dispersion
Not Available
  
Transparency
Transparent
  
Transparent, Translucent, Transparent to opaque
  
Refractive Index
1.625-1.718
  
1.614-1.666
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
  
Trigonal
  
Birefringence
Not Available
  
0.014-0.040
  
Clarity
Transparent
  
Transparent
  
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
  
Gedrite Vs Tourmaline Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Gedrite Vs Tourmaline 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 Gedrite and Tourmaline Astrology. Its highly necessary to have a basic knowledge of facts about Gedrite and Tourmaline, before you finalize to buy one.
Gedrite is known to regulate the influence of Not Available planet. Tourmaline, the unique gem is known to regulate the influence of Mars and Venus planet. Tourmaline, which is classic Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink colored gem, possesses Projective energy.