Beryllonite and Herderite Physical Properties

Beryllonite

Herderite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.79-2.872.90-3.02

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

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

Indistinct on {110}

Mohs Hardness

5.5-65-5.5

2 10

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Chemical Composition

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

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

Beryllonite and Herderite Chemical Formula

While comparing Beryllonite and Herderite 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 Herderite chemical formula.

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

Compare Colorless Gems

Beryllonite Vs Gypsum

Beryllonite Vs Hambergite

Beryllonite Vs Herderite

Beryllonite and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.