Diaspore and Cerussite Physical Properties

Diaspore

Cerussite

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1 Physical Properties

1.1 Tenacity

Very brittle

Not Available

1.2 Solubility

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.406.46-6.57

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

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

Good [110] and [021]

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

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

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

Diaspore and Cerussite Chemical Formula

While comparing Diaspore 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 Diaspore and Cerussite chemical formula.

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

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Diaspore and Cerussite Specific Gravity

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