Verdite and Pyrargyrite Physical Properties

Verdite

Pyrargyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.05.85

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

{110} Good

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

1.7 Mohs Hardness

32.5-3

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Pyrargyrite Chemical Formula

While comparing Verdite 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 Verdite and Pyrargyrite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Verdite Vs Yttrium Aluminium Garnet

Verdite and Pyrargyrite Specific Gravity

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