Plumbogummite and Goshenite Physical Properties

Plumbogummite

Goshenite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.60-2.90

1 7.18

1.5 Fracture

Uneven, Conchoidal

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

1.6 Cleavage

None

3,1 basal

1.7 Mohs Hardness

4-57.5-8

2 10

1.8 Chemical Composition

Not Available

Be₃Al₂SiO₆

Plumbogummite and Goshenite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Goshenite chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆

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Plumbogummite and Goshenite Specific Gravity

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