Fayalite and Cryolite Physical Properties

Fayalite

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

4.3922.97

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Uneven

1.6 Cleavage

{010} moderate, {100} imperfect

None observed

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Na 3AlF 6Ulrich Henn and Claudio C.

Fayalite and Cryolite Chemical Formula

While comparing Fayalite 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 Fayalite and Cryolite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Fayalite and Cryolite Specific Gravity

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