Iddingsite and Sodalite Physical Properties

Iddingsite

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

2.5-2.82.15-2.40

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

{???} Perfect

Poor on {110}

1.7 Mohs Hardness

35-6

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

Na₈Al₆Si₆O₂₄Cl₂

Iddingsite and Sodalite Chemical Formula

While comparing Iddingsite 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 Iddingsite and Sodalite chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Iddingsite and Sodalite Specific Gravity

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