Wardite and Sodalite Physical Properties

Wardite

Sodalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.812.15-2.40

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

{001} Perfect

Poor on {110}

1.7 Mohs Hardness

4.5-55-6

2 10

1.8 Chemical Composition

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

Na₈Al₆Si₆O₂₄Cl₂

Wardite and Sodalite Chemical Formula

While comparing Wardite and Sodalite 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 Sodalite 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 Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Wardite and Sodalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wardite and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wardite and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Wardite is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.