Friedelite and Pyrargyrite Physical Properties

Friedelite

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

3.06-3.195.85

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

{010} Perfect

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

1.7 Mohs Hardness

4-52.5-3

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Pyrargyrite Chemical Formula

While comparing Friedelite 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 Friedelite and Pyrargyrite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Friedelite and Pyrargyrite Specific Gravity

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