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Beryllonite
Beryllonite

Pleonaste
Pleonaste



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Beryllonite
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Pleonaste

Beryllonite and Pleonaste Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.79-2.873.80
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Not Available
1.6 Cleavage
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Not Available
1.7 Mohs Hardness
5.5-68
Amber
2 10
1.8 Chemical Composition
NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Beryllonite and Pleonaste Chemical Formula

While comparing Beryllonite and Pleonaste 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 Pleonaste chemical formula.

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

Beryllonite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 3.80 whereas that of Pleonaste is 3.80.