Marialite and Pollucite Physical Properties

Marialite

Pollucite

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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)

Brittle

Readily soluble in HF

2.86-2.94

Conchoidal, Uneven

None observed

6.5-7

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Marialite and Pollucite Chemical Formula

While comparing Marialite and Pollucite 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 Pollucite chemical formula.

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Marialite and Pollucite Specific Gravity

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