Piemontite and Starlite Physical Properties

Piemontite

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

Not Available3.91-4.73

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

Not Available

1.7 Mohs Hardness

6-6.56.5-7.5

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Starlite Chemical Formula

While comparing Piemontite 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 Piemontite and Starlite chemical formula.

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

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Piemontite and Starlite Specific Gravity

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