Wulfenite and Pollucite Physical Properties

Wulfenite

Pollucite

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Physical Properties

Tenacity

Brittle

Solubility

Readily soluble in HF

Durability

Specific Gravity

6.50-7.002.86-2.94

1 7.18

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Fracture

Irregular, Conchoidal

Conchoidal, Uneven

Cleavage

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

None observed

Mohs Hardness

36.5-7

2 10

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Chemical Composition

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

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Wulfenite and Pollucite Chemical Formula

While comparing Wulfenite and Pollucite 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 Pollucite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Compare Red Gemstones

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Wulfenite Vs Pyrope Almandine

Wulfenite Vs Pyrope Garnet

Wulfenite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.