Marialite and Afghanite Physical Properties

Marialite

Afghanite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.50

Uneven, Conchoidal

Distinct on {100} and {110}

5.5-6

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

2.55-2.65

Conchoidal

Perfect {10 1 0}

5.5-6

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Marialite and Afghanite Chemical Formula

While comparing Marialite and Afghanite 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 Marialite and Afghanite chemical formula.

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Marialite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marialite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marialite Vs Afghanite during the identification of gemstone. Specific gravity of Marialite is whereas that of Afghanite is .