Phosphosiderite and Poldervaartite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.74-2.76
  
2.91
  
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
  
Handbook of mineralogy (2001)
  
Cleavage
{010} Perfect, {001} Distinct
  
None
  
Mohs Hardness
3.5-4
  
Not Available
  
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
  
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
  
Phosphosiderite and Poldervaartite Chemical Formula
While comparing Phosphosiderite and Poldervaartite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Phosphosiderite and Poldervaartite chemical formula.
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Phosphosiderite and Poldervaartite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.91 whereas that of Poldervaartite is 2.91.