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Pyrargyrite
Pyrargyrite

Common Opal
Common Opal



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Pyrargyrite
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Common Opal

Pyrargyrite and Common Opal 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
5.851.98-2.50
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}
Not Available
1.7 Mohs Hardness
2.5-35.5-6.5
Amber
2 10
1.8 Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Pyrargyrite and Common Opal Chemical Formula

While comparing Pyrargyrite and Common Opal 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 Common Opal chemical formula.

  • Chemical formula of Pyrargyrite- Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Pyrargyrite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.