Uvite and Pyrargyrite Physical Properties

Uvite

Pyrargyrite

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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

2.97-3.145.85

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

{1011} Indistinct

Distinct on {10 1 1}, imperfect on {01 1 2}

1.7 Mohs Hardness

Not Available2.5-3

2 10

1.8 Chemical Composition

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

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

Uvite and Pyrargyrite Chemical Formula

While comparing Uvite and Pyrargyrite 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 Uvite and Pyrargyrite chemical formula.

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

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Uvite and Pyrargyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvite and Pyrargyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvite and Pyrargyrite Optical Properties during the identification of gemstone. Specific gravity of Uvite is 5.85 whereas that of Pyrargyrite is 5.85.