Verdite and Thulite Physical Properties

Verdite

Thulite

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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

2.80-3.03.1

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Good

Perfect {010} imperfect {100}

1.7 Mohs Hardness

36-7

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

Ca₂Al₃(SiO₄)₃(OH)

Verdite and Thulite Chemical Formula

While comparing Verdite and Thulite 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 Thulite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Verdite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 3.1 whereas that of Thulite is 3.1.