Wulfenite and Cordierite Physical Properties

Wulfenite

Cordierite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.002.57-2.66

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

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

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

37-7.5

2 10

1.8 Chemical Composition

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

Mg2Al4Si5O18

Wulfenite and Cordierite Chemical Formula

While comparing Wulfenite and Cordierite 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 Cordierite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Cordierite- Mg2Al4Si5O18

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Wulfenite Vs Hessonite Garnet

Wulfenite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.