Marialite and Verdelite Physical Properties

Marialite

Verdelite

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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)

2.90-3.40

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Marialite and Verdelite Chemical Formula

While comparing Marialite and Verdelite 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 Verdelite chemical formula.

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Marialite and Verdelite Specific Gravity

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