Augelite and Cryolite Physical Properties

Augelite

Cryolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.70-2.752.97

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven

1.6 Cleavage

From the Greek for luster, for its pearly luster on the cleavage.

None observed

1.7 Mohs Hardness

4.5-52.5

2 10

1.8 Chemical Composition

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Na 3AlF 6Ulrich Henn and Claudio C.

Augelite and Cryolite Chemical Formula

While comparing Augelite 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 Augelite and Cryolite chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Augelite and Cryolite Specific Gravity

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