Cerussite and Demantoid Physical Properties

Cerussite

Demantoid

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.46-6.573.77-3.95

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Good [110] and [021]

Not Available

1.7 Mohs Hardness

3-3.56.5

2 10

1.8 Chemical Composition

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

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

Cerussite and Demantoid Chemical Formula

While comparing Cerussite and Demantoid 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 Demantoid chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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Cerussite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.