Wardite and Siderite Physical Properties
Specific Gravity
2.81
3.83-3.89
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
{001} Perfect
Perfect on {01 1 1}
Mohs Hardness
4.5-5
3.5-4.5
Chemical Composition
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Wardite and Siderite Chemical Formula
While comparing Wardite and Siderite 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 Wardite and Siderite chemical formula.
- Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Wardite and Siderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wardite and Siderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wardite and Siderite Optical Properties during the identification of gemstone. Specific gravity of Wardite is 3.83-3.89 whereas that of Siderite is 3.83-3.89.