Wardite and Cerussite Physical Properties

Wardite

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

2.816.46-6.57

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

{001} Perfect

Good [110] and [021]

1.7 Mohs Hardness

4.5-53-3.5

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Wardite and Cerussite Chemical Formula

While comparing Wardite 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 Wardite and Cerussite chemical formula.

Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Wardite and Cerussite Specific Gravity

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