Cryolite and Hemimorphite Physical Properties

Cryolite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.30-3.50

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

2.55

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

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

Cryolite and Hemimorphite Chemical Formula

While comparing Cryolite and Hemimorphite 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 Cryolite and Hemimorphite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cryolite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.