Proustite and Uvite Physical Properties

Proustite

Uvite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.51-5.642.97-3.14

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

Distinct on {10 1 1}

{1011} Indistinct

1.7 Mohs Hardness

2.5Not Available

2 10

1.8 Chemical Composition

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

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Proustite and Uvite Chemical Formula

While comparing Proustite and Uvite 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 Uvite chemical formula.

Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Black Gemstones

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Proustite Vs Sheen Obsidian

Proustite Vs Schorlomite

Proustite and Uvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Uvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Uvite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 2.97-3.14 whereas that of Uvite is 2.97-3.14.