Copper and Fire Opal Physical Properties

Copper

Fire 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

Not Available

1.97-2.22

1.5 Fracture

Hackly Jagged, torn surfaces, (e.g. fractured metals)., torn surfaces, (e.g. fractured metals).

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

2.5

6-6.5

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Copper and Fire Opal Chemical Formula

While comparing Copper and Fire 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 Copper and Fire Opal chemical formula.

Chemical formula of Copper- Cu
Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Copper and Fire Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Copper and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Copper and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Copper is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.