Cryolite and Cuprite Physical Properties

Cryolite

Cuprite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.975.85-6.15

1 7.18

1.5 Fracture

Uneven

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

None observed

Fair in four directions forming octahedrons

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cryolite and Cuprite Chemical Formula

While comparing Cryolite and Cuprite 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 Cuprite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cryolite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.