Pyrargyrite and Gahnite Physical Properties

Pyrargyrite

Gahnite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.854.00-4.62

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Conchoidal, Uneven

1.6 Cleavage

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

Indistinct parting on [111]

1.7 Mohs Hardness

2.5-37.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Pyrargyrite and Gahnite Chemical Formula

While comparing Pyrargyrite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pyrargyrite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.