Sodalite and Gaspeite Physical Properties

Sodalite

Gaspeite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.403.71

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Uneven

1.6 Cleavage

Poor on {110}

{10 1 1} Good

1.7 Mohs Hardness

5-64.5-5

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

(Ni,Mg,Fe++)CO3

Sodalite and Gaspeite Chemical Formula

While comparing Sodalite and Gaspeite 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 Sodalite and Gaspeite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3

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Sodalite and Gaspeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Gaspeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Gaspeite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.71 whereas that of Gaspeite is 3.71.