Helenite and Marialite Physical Properties

Helenite

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

Not Available2.50

1 7.18

1.5 Fracture

Not Available

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

Not Available5.5-6

2 10

1.8 Chemical Composition

Not Available

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

Helenite and Marialite Chemical Formula

While comparing Helenite 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 Helenite and Marialite chemical formula.

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

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Helenite and Marialite Specific Gravity

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