Chrome-Chalcedony and Cerussite Physical Properties

Chrome-Chalcedony

Cerussite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.706.46-6.57

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Not Available

Good [110] and [021]

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

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

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

Chrome-Chalcedony and Cerussite Chemical Formula

While comparing Chrome-Chalcedony and Cerussite 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 Cerussite chemical formula.

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

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Chrome-Chalcedony and Cerussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Cerussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Cerussite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 6.46-6.57 whereas that of Cerussite is 6.46-6.57.