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Sphalerite
Sphalerite

Wulfenite
Wulfenite



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Sphalerite
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Wulfenite

Sphalerite and Wulfenite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.95-4.106.50-7.00
1 7.18
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Fracture

Uneven
Irregular, Conchoidal

Cleavage

{110} Perfect, {110} Perfect, {110} Perfect
On {011}, distinct; on {001}, {013}, indistinct

Mohs Hardness

3.5-43
2 10
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Chemical Composition

(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
PbMoO 4Walter Schumann , Gemstones of the world (2001)

Sphalerite and Wulfenite Chemical Formula

While comparing Sphalerite 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 Sphalerite and Wulfenite chemical formula.

  • Chemical formula of Sphalerite- (Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

Sphalerite and Wulfenite Specific Gravity

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