Corundum and Phosphosiderite Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.90-4.05
2.74-2.76
Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
Cleavage
None – parting in 3 directions
{010} Perfect, {001} Distinct
Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Corundum and Phosphosiderite Chemical Formula
While comparing Corundum 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 Corundum and Phosphosiderite chemical formula.
- Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Corundum and Phosphosiderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Corundum and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Corundum is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.