Rossmanite and Phosphosiderite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3
  
2.74-2.76
  
Fracture
Brittle, Metallic
  
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
  
Cleavage
None
  
{010} Perfect, {001} Distinct
  
Mohs Hardness
Not Available
  
3.5-4
  
Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
  
Rossmanite and Phosphosiderite Chemical Formula
While comparing Rossmanite 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 Rossmanite and Phosphosiderite chemical formula.
- Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Rossmanite and Phosphosiderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rossmanite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.