Cryolite and Crocoite Physical Properties

Cryolite

Crocoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.975.90-6.10

1 7.18

1.5 Fracture

Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

None observed

{110} Distinct, {001} Indistinct, {100} Indistinct

1.7 Mohs Hardness

2.52.5-3

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cryolite and Crocoite Chemical Formula

While comparing Cryolite and Crocoite 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 Crocoite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cryolite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.