Thomsonite and Beryllonite Physical Properties

Thomsonite

Beryllonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.25-2.402.79-2.87

1 7.18

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Fracture

Conchoidal

Cleavage

perfect on {010}; good on {100}

{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

NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Thomsonite and Beryllonite Chemical Formula

While comparing Thomsonite 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 Thomsonite and Beryllonite chemical formula.

Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare White Gemstones

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Thomsonite and Beryllonite Specific Gravity

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