Starlite and Calcite Physical Properties

Starlite

Calcite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.91-4.732.67-2.73

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

6.5-7.53

2 10

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Starlite and Calcite Chemical Formula

While comparing Starlite and Calcite 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 Calcite chemical formula.

Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Starlite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Starlite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Starlite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Starlite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.