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Esperite
Esperite

Wulfenite
Wulfenite



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Esperite
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Wulfenite

Esperite and Wulfenite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

4.28-4.426.50-7.00
1 7.18
👆🏻

Fracture

Conchoidal
Irregular, Conchoidal

Cleavage

Distinct on [010] and [100] poor on [101]
On {011}, distinct; on {001}, {013}, indistinct

Mohs Hardness

5-5.53
2 10
👆🏻

Chemical Composition

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
PbMoO 4Walter Schumann , Gemstones of the world (2001)

Esperite and Wulfenite Chemical Formula

While comparing Esperite 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 Esperite and Wulfenite chemical formula.

  • Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

Esperite and Wulfenite Specific Gravity

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