Caledonite and Pyrargyrite Physical Properties

Caledonite

Pyrargyrite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.6-5.765.85

1 7.18

1.8 Fracture

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.9 Cleavage

[001] perfect; [100] distinct

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

1.10 Mohs Hardness

2.5-32.5-3

2 10

2.5 Chemical Composition

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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

Caledonite and Pyrargyrite Chemical Formula

While comparing Caledonite 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 Caledonite and Pyrargyrite chemical formula.

Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Caledonite and Pyrargyrite Specific Gravity

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