Proustite and Ruby Physical Properties

Proustite

Ruby

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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

5.51-5.643.97-4.05

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Distinct on {10 1 1}

No true cleavage

1.7 Mohs Hardness

2.59

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Proustite and Ruby Chemical Formula

While comparing Proustite and Ruby 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 Ruby chemical formula.

Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ruby- Al ₂ O ₃

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Proustite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Proustite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.