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Pollucite
Pollucite

Wulfenite
Wulfenite



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Pollucite
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Wulfenite

Pollucite and Wulfenite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Readily soluble in HF
-

Durability

-
-

Specific Gravity

2.86-2.946.50-7.00
1 7.18
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Fracture

Conchoidal, Uneven
Irregular, Conchoidal

Cleavage

None observed
On {011}, distinct; on {001}, {013}, indistinct

Mohs Hardness

6.5-73
2 10
👆🏻

Chemical Composition

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

Pollucite and Wulfenite Chemical Formula

While comparing Pollucite and Wulfenite 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 Pollucite and Wulfenite chemical formula.

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

Pollucite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.