Pyrargyrite and Chrome-Chalcedony Physical Properties

Pyrargyrite

Chrome-Chalcedony

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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

5.852.55-2.70

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

2.5-36.5-7

2 10

1.8 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Pyrargyrite and Chrome-Chalcedony Chemical Formula

While comparing Pyrargyrite and Chrome-Chalcedony 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 Pyrargyrite and Chrome-Chalcedony chemical formula.

Chemical formula of Pyrargyrite- Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Pyrargyrite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.