Beryllonite and Ludlamite Physical Properties

Beryllonite

Ludlamite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.79-2.87

Conchoidal

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

5.5-6

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

3.1-3.2

Vitreous, pearly on cleavage

3-4

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Beryllonite and Ludlamite Chemical Formula

While comparing Beryllonite and Ludlamite 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 Ludlamite chemical formula.

Compare Colorless Gems

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Beryllonite Vs Herderite

Beryllonite and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite Vs Ludlamite during the identification of gemstone. Specific gravity of Beryllonite is whereas that of Ludlamite is .