Verdite and Topazolite Physical Properties

Verdite

Topazolite

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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

2.80-3.03.70-4.10

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{110} Good

Not Available

1.7 Mohs Hardness

36.5-7

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Verdite and Topazolite Chemical Formula

While comparing Verdite and Topazolite 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 Verdite and Topazolite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Verdite and Topazolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Topazolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Topazolite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 3.70-4.10 whereas that of Topazolite is 3.70-4.10.