Starlite and Precious Opal Physical Properties

Starlite

Precious Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.91-4.731.98-2.25

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.5-7.55-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Starlite and Precious Opal Chemical Formula

While comparing Starlite and Precious Opal 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 Precious Opal chemical formula.

Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Starlite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Starlite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Starlite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Starlite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.