Wulfenite and Cryolite Physical Properties

Wulfenite

Cryolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.002.97

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Uneven

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

32.5

2 10

1.8 Chemical Composition

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

Na 3AlF 6Ulrich Henn and Claudio C.

Wulfenite and Cryolite Chemical Formula

While comparing Wulfenite and Cryolite 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 Cryolite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Wulfenite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.97 whereas that of Cryolite is 2.97.