Herderite and Beryllonite Physical Properties

Herderite

Beryllonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-3.022.79-2.87

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

Indistinct on {110}

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

Mohs Hardness

5-5.55.5-6

2 10

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Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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

Herderite and Beryllonite Chemical Formula

While comparing Herderite 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 Herderite and Beryllonite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Herderite Vs Orthoclase

Herderite Vs Pectolite

Herderite Vs Phenakite

Herderite and Beryllonite Specific Gravity

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