Beryllonite and Andalusite Physical Properties

Beryllonite

Andalusite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.79-2.87

Conchoidal

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

5.5-6

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Beryllonite and Andalusite Chemical Formula

While comparing Beryllonite 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 Beryllonite and Andalusite chemical formula.

Compare Colorless Gems

Beryllonite Vs Gypsum

Beryllonite Vs Hambergite

Beryllonite Vs Herderite

Beryllonite and Andalusite Specific Gravity

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