Goshenite and Arfvedsonite Physical Properties

Goshenite

Arfvedsonite

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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

2.60-2.90

3.3-3.5

1.5 Fracture

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

Uneven, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

3,1 basal

Perfect on [110]

1.7 Mohs Hardness

7.5-8

5-6

1.8 Chemical Composition

Be₃Al₂SiO₆

NaNa2(Fe++4Fe+++)Si8O22(OH)2

Goshenite and Arfvedsonite Chemical Formula

While comparing Goshenite and Arfvedsonite 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 Arfvedsonite chemical formula.

Chemical formula of Goshenite- Be₃Al₂SiO₆
Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

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Goshenite and Arfvedsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goshenite and Arfvedsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goshenite and Arfvedsonite Optical Properties during the identification of gemstone. Specific gravity of Goshenite is 3.3-3.5 whereas that of Arfvedsonite is 3.3-3.5.