Vivianite and Goshenite Physical Properties

Vivianite

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

2.64-2.702.60-2.90

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Perfect

3,1 basal

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Be₃Al₂SiO₆

Vivianite and Goshenite Chemical Formula

While comparing Vivianite 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 Vivianite and Goshenite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Goshenite- Be₃Al₂SiO₆

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Vivianite and Goshenite Specific Gravity

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