Demantoid and Pyrargyrite Physical Properties

Demantoid

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

3.77-3.955.85

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.52.5-3

2 10

1.8 Chemical Composition

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

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

Demantoid and Pyrargyrite Chemical Formula

While comparing Demantoid 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 Demantoid and Pyrargyrite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 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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Demantoid and Pyrargyrite Specific Gravity

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