Anthophyllite and Sodalite Physical Properties

Anthophyllite

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

2.9-3.52.15-2.40

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

Poor on {110}

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Na₈Al₆Si₆O₂₄Cl₂

Anthophyllite and Sodalite Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Sodalite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Anthophyllite and Sodalite Specific Gravity

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