Ajoite and Proustite Physical Properties

Ajoite

Proustite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.965.51-5.64

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

Distinct on {10 1 1}

1.7 Mohs Hardness

52.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Proustite Chemical Formula

While comparing Ajoite 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 Ajoite and Proustite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ajoite and Proustite Specific Gravity

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