Hemimorphite and Cryolite Physical Properties

Hemimorphite

Cryolite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.30-3.502.97

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Uneven

Cleavage

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

None observed

Mohs Hardness

52.5

2 10

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Chemical Composition

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

Na 3AlF 6Ulrich Henn and Claudio C.

Hemimorphite and Cryolite Chemical Formula

While comparing Hemimorphite and Cryolite 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 Cryolite 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 Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Hemimorphite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 2.97 whereas that of Cryolite is 2.97.