Hemimorphite and Cerussite Physical Properties

Hemimorphite

Cerussite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.506.46-6.57

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {110}, poor on {101}, {001} rare

Good [110] and [021]

1.7 Mohs Hardness

53-3.5

2 10

1.8 Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Hemimorphite and Cerussite Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Cerussite chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 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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Hemimorphite Vs Kornerupine

Hemimorphite and Cerussite Specific Gravity

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