Franklinite and Sodalite Physical Properties

Franklinite

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

5.05-5.222.15-2.40

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

None

Poor on {110}

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Na₈Al₆Si₆O₂₄Cl₂

Franklinite and Sodalite Chemical Formula

While comparing Franklinite 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 Franklinite and Sodalite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

Compare Red Gemstones

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Franklinite Vs Hibonite

Franklinite Vs Hydrogrossular

Franklinite and Sodalite Specific Gravity

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