Crocoite and Cryolite Physical Properties

Crocoite

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

5.90-6.102.97

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

2.5-32.5

2 10

1.8 Chemical Composition

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

Na 3AlF 6Ulrich Henn and Claudio C.

Crocoite and Cryolite Chemical Formula

While comparing Crocoite 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 Crocoite and Cryolite chemical formula.

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

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Crocoite and Cryolite Specific Gravity

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