Pumpellyite and Sodalite Physical Properties

Pumpellyite

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

3.20-3.302.15-2.40

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

Not Available

Poor on {110}

1.7 Mohs Hardness

5-65-6

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Na₈Al₆Si₆O₂₄Cl₂

Pumpellyite and Sodalite Chemical Formula

While comparing Pumpellyite 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 Pumpellyite and Sodalite chemical formula.

Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

Compare Green Gemstones

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Pumpellyite and Sodalite Specific Gravity

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