Stichtite and Sodalite Physical Properties

Stichtite

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

2.11-2.202.15-2.40

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

Perfect on {0001}

Poor on {110}

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Na₈Al₆Si₆O₂₄Cl₂

Stichtite and Sodalite Chemical Formula

While comparing Stichtite 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 Stichtite and Sodalite chemical formula.

Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Stichtite and Sodalite Specific Gravity

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