Chalcopyrite and Precious Opal Physical Properties

Chalcopyrite

Precious Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.1-4.31.98-2.25

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic

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

1.6 Cleavage

Indistinct on {011}

Not Available

1.7 Mohs Hardness

3.5-45-6.5

2 10

1.8 Chemical Composition

CuFeS 2Anthony et al , Handbook of mineralogy (2001)

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

Chalcopyrite and Precious Opal Chemical Formula

While comparing Chalcopyrite 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 Chalcopyrite and Precious Opal chemical formula.

Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Chalcopyrite and Precious Opal Specific Gravity

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