Facts about Siderite and Poldervaartite
Origin
Brazil
  
Southern and central Africa
  
Color
Yellow, Brown, gray, Greenish
  
Colorless, White
  
Streak
White
  
White
  
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
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.83-3.89
  
2.91
  
Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
  
Handbook of mineralogy (2001)
  
Cleavage
Perfect on {01 1 1}
  
None
  
Mohs Hardness
3.5-4.5
  
Not Available
  
Chemical Composition
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
  
Luster
Pearly
  
Vitreous
  
Pleochroism
Not Available
  
Weak: colorless light gray bluish grayAnthony et al
  
Dispersion
Not Available
  
Not Available
  
Transparency
Transparent, Translucent
  
Transparent
  
Refractive Index
1.633-1.875
  
1.634-1.656
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Trigonal
  
Not Available
  
Birefringence
0.242
  
Not Available
  
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
  
Siderite Vs Poldervaartite Specifications
While buying, there is a common bewilderment that most of the buyers face. As you compare Siderite Vs Poldervaartite 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 Siderite and Poldervaartite Astrology. Its highly necessary to have a basic knowledge of facts about Siderite and Poldervaartite, before you finalize to buy one.
Siderite is known to regulate the influence of Not Available planet. Poldervaartite, the unique gem is known to regulate the influence of Not Available planet.