Starlite and Pyrite Physical Properties

Starlite

Pyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.91-4.735.00-5.20

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

Not Available

Indistinct on {001}; partings on {011} and {111}

1.7 Mohs Hardness

6.5-7.56-6.5

2 10

1.8 Chemical Composition

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

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Starlite and Pyrite Chemical Formula

While comparing Starlite and Pyrite 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 Pyrite chemical formula.

Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Starlite and Pyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Starlite and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Starlite and Pyrite Optical Properties during the identification of gemstone. Specific gravity of Starlite is 5.00-5.20 whereas that of Pyrite is 5.00-5.20.