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Faustite
Faustite

Pyrargyrite
Pyrargyrite



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Faustite
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Pyrargyrite

Faustite and Pyrargyrite 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
2.95.85
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
1.6 Cleavage
{???} Indistinct
Distinct on {10 1 1}, imperfect on {01 1 2}
1.7 Mohs Hardness
4.52.5-3
Amber
2 10
1.8 Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Faustite and Pyrargyrite Chemical Formula

While comparing Faustite and Pyrargyrite 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 Faustite and Pyrargyrite chemical formula.

  • Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Pyrargyrite- Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Faustite and Pyrargyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Pyrargyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Pyrargyrite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 5.85 whereas that of Pyrargyrite is 5.85.