Pyrope and Starlite Physical Properties

Pyrope

Starlite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.873.91-4.73

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

7-7.56.5-7.5

2 10

1.8 Chemical Composition

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Pyrope and Starlite Chemical Formula

While comparing Pyrope 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 Pyrope and Starlite chemical formula.

Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

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Pyrope Vs Rock Crystal

Pyrope and Starlite Specific Gravity

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