Wulfenite and Fire Opal Physical Properties

Wulfenite

Fire Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.001.97-2.22

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

On {011}, distinct; on {001}, {013}, indistinct

Not Available

1.7 Mohs Hardness

36-6.5

2 10

1.8 Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

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

Wulfenite and Fire Opal Chemical Formula

While comparing Wulfenite 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 Wulfenite and Fire Opal chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Wulfenite and Fire Opal Specific Gravity

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