Diaspore and Cryolite Physical Properties

Diaspore

Cryolite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.402.97

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

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

Na 3AlF 6Ulrich Henn and Claudio C.

Diaspore and Cryolite Chemical Formula

While comparing Diaspore 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 Diaspore and Cryolite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Diaspore and Cryolite Specific Gravity

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