Sard and Pyrargyrite Physical Properties

Sard

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

2.58-2.635.85

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-72.5-3

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Pyrargyrite Chemical Formula

While comparing Sard 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 Sard and Pyrargyrite chemical formula.

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

Compare Blue Gemstones

Sard Vs Spinel

Sard Vs Sillimanite

Sard Vs Sodalite

Sard and Pyrargyrite Specific Gravity

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