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Aragonite
Aragonite

Pyrargyrite
Pyrargyrite



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Aragonite
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Pyrargyrite

Aragonite and Pyrargyrite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Dilute acid
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.93-2.965.85
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
1.6 Cleavage
Distinct on {010}, imperfect {110} and {011}
Distinct on {10 1 1}, imperfect on {01 1 2}
1.7 Mohs Hardness
3.5-42.5-3
Amber
2 10
1.8 Chemical Composition
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Aragonite and Pyrargyrite Chemical Formula

While comparing Aragonite 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 Aragonite and Pyrargyrite chemical formula.

  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pyrargyrite- Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Aragonite and Pyrargyrite Specific Gravity

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