Verdite and Beryllonite Physical Properties

Verdite

Beryllonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.02.79-2.87

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

35.5-6

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Beryllonite Chemical Formula

While comparing Verdite 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 Verdite and Beryllonite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Verdite and Beryllonite Specific Gravity

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