Wulfenite and Crystal Opal Physical Properties

Wulfenite

Crystal 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

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

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

35.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Wulfenite and Crystal Opal Chemical Formula

While comparing Wulfenite and Crystal 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 Crystal Opal chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

Wulfenite Vs Hessonite Garnet

Wulfenite Vs Garnet Malaia

Wulfenite Vs Opal Australia

Wulfenite and Crystal Opal Specific Gravity

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