Andalusite and Papagoite Physical Properties

Andalusite

Papagoite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

3.25

Imperfect in one direction

5-5.5

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Andalusite and Papagoite Chemical Formula

While comparing Andalusite and Papagoite 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 Andalusite and Papagoite chemical formula.

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Andalusite and Papagoite Specific Gravity

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