Andalusite and Eosphorite Physical Properties

Andalusite

Eosphorite

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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

3.05-3.08

Subconchoidal, Uneven, Conchoidal

Poor on {100}

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Andalusite and Eosphorite Chemical Formula

While comparing Andalusite and Eosphorite 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 Eosphorite chemical formula.

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Andalusite and Eosphorite Specific Gravity

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