Goshenite and Poudretteite Physical Properties

Goshenite

Poudretteite

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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

2.60-2.902.51-2.53

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Splintery

1.6 Cleavage

3,1 basal

None

1.7 Mohs Hardness

7.5-85

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Goshenite and Poudretteite Chemical Formula

While comparing Goshenite and Poudretteite 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 Goshenite and Poudretteite chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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Goshenite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goshenite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goshenite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Goshenite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.