Williamsite and Marialite Physical Properties

Williamsite

Marialite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.632.50

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

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

1.6 Cleavage

Not Available

Distinct on {100} and {110}

1.7 Mohs Hardness

45.5-6

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Williamsite and Marialite Chemical Formula

While comparing Williamsite 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 Williamsite and Marialite chemical formula.

Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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Williamsite and Marialite Specific Gravity

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