Chrome-Chalcedony and Phosphosiderite Physical Properties

Chrome-Chalcedony and Phosphosiderite Chemical Formula

While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Phosphosiderite chemical formula.

• Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
• Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Chrome-Chalcedony and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.