Sylvite and Starlite Physical Properties

Sylvite

Starlite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933.91-4.73

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

Perfect on [100], [010], [001]

Not Available

1.7 Mohs Hardness

2.56.5-7.5

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Starlite Chemical Formula

While comparing Sylvite 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 Sylvite and Starlite chemical formula.

Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sylvite and Starlite Specific Gravity

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