Poudretteite and Goshenite Physical Properties

Poudretteite

Goshenite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.532.60-2.90

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

1.6 Cleavage

None

3,1 basal

1.7 Mohs Hardness

57.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Poudretteite and Goshenite Chemical Formula

While comparing Poudretteite and Goshenite 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 Poudretteite and Goshenite chemical formula.

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

Compare Violet Gemstones

Poudretteite Vs Rubellite

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Sapphire

Poudretteite and Goshenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Goshenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Goshenite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.60-2.90 whereas that of Goshenite is 2.60-2.90.