Pyrargyrite and Apophyllite Physical Properties

Pyrargyrite

Apophyllite

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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

5.852.30-2.50

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

2.5-34.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Pyrargyrite and Apophyllite Chemical Formula

While comparing Pyrargyrite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Pyrargyrite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.