Pumpellyite and Goshenite Physical Properties

Pumpellyite

Goshenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.302.60-2.90

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

3,1 basal

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Be₃Al₂SiO₆

Pumpellyite and Goshenite Chemical Formula

While comparing Pumpellyite 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 Pumpellyite and Goshenite chemical formula.

Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Chemical formula of Goshenite- Be₃Al₂SiO₆

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Pumpellyite Vs Rubellite

Pumpellyite and Goshenite Specific Gravity

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