Proustite and Caledonite Physical Properties

Proustite

Caledonite

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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

5.51-5.645.6-5.76

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

Distinct on {10 1 1}

[001] perfect; [100] distinct

1.7 Mohs Hardness

2.52.5-3

2 10

1.8 Chemical Composition

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

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

Proustite and Caledonite Chemical Formula

While comparing Proustite and Caledonite 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 Proustite and Caledonite chemical formula.

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

Compare Black Gemstones

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Proustite Vs Sheen Obsidian

Proustite Vs Schorlomite

Proustite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.