Wulfenite and Dumortierite Physical Properties

Wulfenite

Dumortierite

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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

6.50-7.003.26-3.41

1 7.18

1.5 Fracture

Irregular, Brittle, Conchoidal

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

37-8.5

2 10

1.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

Wulfenite and Dumortierite Chemical Formula

While comparing Wulfenite and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Wulfenite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.