Goshenite and Foitite Physical Properties

Goshenite

Foitite

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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

2.60-2.903.17

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

3,1 basal

None

1.7 Mohs Hardness

7.5-87

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Goshenite and Foitite Chemical Formula

While comparing Goshenite and Foitite 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 Foitite chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Goshenite and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goshenite and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goshenite and Foitite Optical Properties during the identification of gemstone. Specific gravity of Goshenite is 3.17 whereas that of Foitite is 3.17.