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Pyrargyrite
Pyrargyrite

Afghanite
Afghanite



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Pyrargyrite
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Afghanite

Pyrargyrite and Afghanite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.852.55-2.65
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
1.6 Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}
Perfect {10 1 0}
1.7 Mohs Hardness
2.5-35.5-6
Amber
2 10
1.8 Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Pyrargyrite and Afghanite Chemical Formula

While comparing Pyrargyrite and Afghanite 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 Pyrargyrite and Afghanite chemical formula.

  • Chemical formula of Pyrargyrite- Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Pyrargyrite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.