Pleonaste and Beryllonite Physical Properties

Pleonaste

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

3.802.79-2.87

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

85.5-6

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Beryllonite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Beryllonite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Pleonaste Vs Rock Crystal

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rubellite

Pleonaste and Beryllonite Specific Gravity

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