Gahnospinel and Sodalite Physical Properties

Gahnospinel

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

3.65-4.552.15-2.40

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

None, but may exhibit slight parting

Poor on {110}

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Na₈Al₆Si₆O₂₄Cl₂

Gahnospinel and Sodalite Chemical Formula

While comparing Gahnospinel 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 Gahnospinel and Sodalite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel Vs Hydrogrossular

Gahnospinel and Sodalite Specific Gravity

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