Pleonast and Beryllonite Physical Properties

Pleonast

Beryllonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.79-2.87

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

Not Available

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

Pleonast and Beryllonite Chemical Formula

While comparing Pleonast 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 Pleonast and Beryllonite chemical formula.

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

Compare Blue Gemstones

Pleonast Vs Azure malachite

Pleonast Vs Blue gold

Pleonast Vs Star diopside

Pleonast and Beryllonite Specific Gravity

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