Chrome-Chalcedony and Phosgenite Physical Properties

Chrome-Chalcedony

Phosgenite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.706.13

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

Not Available

Distinct on {001} and {110}, indistinct on {100}

1.7 Mohs Hardness

6.5-72-3

2 10

1.8 Chemical Composition

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

Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chrome-Chalcedony and Phosgenite Chemical Formula

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

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

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Chrome-Chalcedony and Phosgenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Phosgenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Phosgenite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 6.13 whereas that of Phosgenite is 6.13.