Uvarovite and Pyrargyrite Physical Properties

Uvarovite

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

3.775.85

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

6.5-7.52.5-3

2 10

1.8 Chemical Composition

Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Uvarovite and Pyrargyrite Chemical Formula

While comparing Uvarovite 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 Uvarovite and Pyrargyrite chemical formula.

Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Uvarovite and Pyrargyrite Specific Gravity

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