Vishnevite and Wardite Physical Properties

Vishnevite

Wardite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.81

1 7.18

1.5 Fracture

Brittle, Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect

{001} Perfect

1.7 Mohs Hardness

5-64.5-5

2 10

1.8 Chemical Composition

Not Available

NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Vishnevite and Wardite Chemical Formula

While comparing Vishnevite 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 Vishnevite and Wardite chemical formula.

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

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Vishnevite and Wardite Specific Gravity

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