Starlite and Verdite Physical Properties

Starlite

Verdite

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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

3.91-4.73

2.80-3.0

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

{110} Good

1.7 Mohs Hardness

6.5-7.5

1.8 Chemical Composition

ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

NaFeS2•2(H2O)

Starlite and Verdite Chemical Formula

While comparing Starlite and Verdite 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 Starlite and Verdite chemical formula.

Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Verdite- NaFeS2•2(H2O)

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Starlite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Starlite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Starlite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Starlite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.