Shigaite and Wardite Physical Properties

Shigaite and Wardite Chemical Formula

While comparing Shigaite and Wardite 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 Shigaite and Wardite chemical formula.

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• Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Shigaite and Wardite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Wardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Wardite Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 2.81 whereas that of Wardite is 2.81.