Facts about Poldervaartite and Dravite
Origin
Southern and central Africa
  
Southern and central Africa
  
Color
Colorless, White
  
White, Colorless, Blue, Red, Green, Yellow, Violet, Black, Green, Red, Blue, White
  
Streak
White
  
Colorless
  
For which Rashi?
Not Available
  
Not Available
  
Planet
Not Available
  
Not Available
  
Element of Planets
Not Available
  
Not Available
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Not Available
  
Not Available
  
Deities
Not Available
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Not Available
  
Not Available
  
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
2.91
  
3.03-3.18
  
Fracture
Handbook of mineralogy (2001)
  
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
None
  
{???} Indistinct
  
Mohs Hardness
Not Available
  
7-7.5
  
Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
  
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
Luster
Vitreous
  
Vitreous
  
Pleochroism
Weak: colorless light gray bluish grayAnthony et al
  
Very strong: pale yellow colorless
  
Dispersion
Not Available
  
Transparency
Transparent
  
Transparent
  
Refractive Index
1.634-1.656
  
1.614-1.666
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Not Available
  
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
  
Birefringence
Not Available
  
0.014-0.032
  
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
  
Poldervaartite Vs Dravite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Poldervaartite Vs Dravite 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 Poldervaartite and Dravite Astrology. Its highly necessary to have a basic knowledge of facts about Poldervaartite and Dravite, before you finalize to buy one.
Poldervaartite is known to regulate the influence of Not Available planet. Dravite, the unique gem is known to regulate the influence of Not Available planet.