Verdite and Proustite Physical Properties

Verdite

Proustite

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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

2.80-3.05.51-5.64

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{110} Good

Distinct on {10 1 1}

1.7 Mohs Hardness

32.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Proustite Chemical Formula

While comparing Verdite and Proustite 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 Verdite and Proustite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Verdite Vs Yttrium Aluminium Garnet

Verdite Vs White Opal

Verdite Vs Zircon

Verdite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.