Zinnwaldite and Cryolite Physical Properties

Zinnwaldite

Cryolite

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.12.97

1 7.18

1.5 Fracture

Uneven

1.6 Cleavage

Perfect basal {001}

None observed

1.7 Mohs Hardness

3.5-4.02.5

2 10

1.8 Chemical Composition

Not Available

Na 3AlF 6Ulrich Henn and Claudio C.

Zinnwaldite and Cryolite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Cryolite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Zinnwaldite and Cryolite Specific Gravity

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