Zoisite and Beryllonite Physical Properties

Zoisite

Beryllonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.20-3.502.79-2.87

1 7.18

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Fracture

Uneven, Conchoidal, Even

Conchoidal

Cleavage

Perfect {010} imperfect {100}

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

Mohs Hardness

6-75.5-6

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Zoisite and Beryllonite Chemical Formula

While comparing Zoisite and Beryllonite 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 Zoisite and Beryllonite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

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Zoisite Vs Pyrrhotite

Zoisite Vs Vesuvianite

Zoisite and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.