Jet and Phosphosiderite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.19-1.35
  
2.74-2.76
  
Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
  
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
  
Cleavage
Not Available
  
{010} Perfect, {001} Distinct
  
Mohs Hardness
2.5-4
  
3.5-4
  
Chemical Composition
Not Available
  
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
  
Jet and Phosphosiderite Chemical Formula
While comparing Jet and Phosphosiderite 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 Jet and Phosphosiderite chemical formula.
>- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Jet and Phosphosiderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jet and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Jet is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.