Cryolite and Erythrite Physical Properties

Cryolite

Erythrite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.06

1 7.18

1.5 Fracture

Uneven

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

None observed

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

2.5Not Available

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

Co3(AsO4)2•8(H2O)

Cryolite and Erythrite Chemical Formula

While comparing Cryolite and Erythrite 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 Erythrite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Cryolite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 3.06 whereas that of Erythrite is 3.06.