Marialite and Andalusite Physical Properties

Marialite

Andalusite

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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)

3.05-3.21

Uneven, Subconchoidal, Splintery

Good on {110}, poor on {100}

7.5

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Marialite and Andalusite Chemical Formula

While comparing Marialite and Andalusite 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 Andalusite chemical formula.

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Marialite and Andalusite Specific Gravity

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