Sylvite and Marialite Physical Properties

Sylvite

Marialite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.50

1 7.18

1.5 Fracture

Uneven, Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on [100], [010], [001]

Distinct on {100} and {110}

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Marialite Chemical Formula

While comparing Sylvite and Marialite 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 Sylvite and Marialite chemical formula.

Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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Sylvite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.50 whereas that of Marialite is 2.50.