Jacobsite and Sodalite Physical Properties

Jacobsite

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

4.76-5.032.15-2.40

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

None

Poor on {110}

1.7 Mohs Hardness

5.5-6.55-6

2 10

1.8 Chemical Composition

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

Na₈Al₆Si₆O₂₄Cl₂

Jacobsite and Sodalite Chemical Formula

While comparing Jacobsite 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 Jacobsite and Sodalite chemical formula.

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

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Jacobsite and Sodalite Specific Gravity

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