Phosphosiderite and Bertrandite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.74-2.76
  
2.59-2.60
  
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
  
Brittle, Metallic, Brittle, Metallic
  
Cleavage
{010} Perfect, {001} Distinct
  
{001} Perfect, {110} Distinct, {101} Distinct
  
Mohs Hardness
3.5-4
  
6-7
  
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
  
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
  
Phosphosiderite and Bertrandite Chemical Formula
While comparing Phosphosiderite and Bertrandite 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 Bertrandite chemical formula.
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Phosphosiderite and Bertrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.