Andradite and Cerussite Physical Properties

Andradite

Cerussite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.106.46-6.57

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

none

Good [110] and [021]

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Andradite and Cerussite Chemical Formula

While comparing Andradite 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 Andradite and Cerussite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Andradite and Cerussite Specific Gravity

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