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Afghanite
Afghanite

Wulfenite
Wulfenite



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Afghanite
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Wulfenite

Afghanite and Wulfenite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.656.50-7.00
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Irregular, Brittle, Conchoidal
1.6 Cleavage
Perfect {10 1 0}
On {011}, distinct; on {001}, {013}, indistinct
1.7 Mohs Hardness
5.5-63
Amber
2 10
1.8 Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
PbMoO 4Walter Schumann , Gemstones of the world (2001)

Afghanite and Wulfenite Chemical Formula

While comparing Afghanite 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 Afghanite and Wulfenite chemical formula.

  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

Afghanite and Wulfenite Specific Gravity

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