Sardonyx and Starlite Physical Properties

Sardonyx

Starlite

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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

2.55-2.70

3.91-4.73

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.5-7

6.5-7.5

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sardonyx and Starlite Chemical Formula

While comparing Sardonyx and Starlite 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 Sardonyx and Starlite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sardonyx and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Starlite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.91-4.73 whereas that of Starlite is 3.91-4.73.