Beryllonite and Crocoite Physical Properties

Beryllonite

Crocoite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.79-2.875.90-6.10

1 7.18

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Fracture

Conchoidal

Cleavage

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

{110} Distinct, {001} Indistinct, {100} Indistinct

Mohs Hardness

5.5-62.5-3

2 10

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Chemical Composition

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

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

Beryllonite and Crocoite Chemical Formula

While comparing Beryllonite and Crocoite 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 Crocoite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Beryllonite Vs Gypsum

Beryllonite Vs Hambergite

Beryllonite Vs Herderite

Beryllonite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.