Hardystonite and Starlite Physical Properties

Hardystonite

Starlite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.396-3.4433.91-4.73

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

[001] good, [100] and [110] fair

Not Available

1.7 Mohs Hardness

3-46.5-7.5

2 10

1.8 Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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

Hardystonite and Starlite Chemical Formula

While comparing Hardystonite 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 Hardystonite and Starlite chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

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Hardystonite and Starlite Specific Gravity

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