White Opal and Pyrite Physical Properties

White Opal

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

1.98-2.505.00-5.20

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

5.5-6.56-6.5

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

White Opal and Pyrite Chemical Formula

While comparing White Opal 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 White Opal and Pyrite chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

White Opal Vs Kyanite

White Opal Vs Idocrase

White Opal Vs Iolite

White Opal and Pyrite Specific Gravity

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