Cerussite and Diaspore Physical Properties

Cerussite

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.46-6.573.30-3.40

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Good [110] and [021]

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

3-3.56.5-7

2 10

1.8 Chemical Composition

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

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Cerussite and Diaspore Chemical Formula

While comparing Cerussite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Cerussite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.