Cerussite and Creedite Physical Properties

Cerussite

Creedite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.46-6.572.70

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Good [110] and [021]

Perfect on {100}

1.7 Mohs Hardness

3-3.54.5

2 10

1.8 Chemical Composition

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

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Cerussite and Creedite Chemical Formula

While comparing Cerussite and Creedite 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 Cerussite and Creedite chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

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Cerussite and Creedite Specific Gravity

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