Pyrargyrite and Aragonite Physical Properties

Pyrargyrite

Aragonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

5.852.93-2.96

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Distinct on {10 1 1}, imperfect on {01 1 2}

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

2.5-33.5-4

2 10

1.8 Chemical Composition

Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Pyrargyrite and Aragonite Chemical Formula

While comparing Pyrargyrite and Aragonite 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 Aragonite chemical formula.

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

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Pyrargyrite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.