Friedelite and Cryolite Physical Properties

Friedelite

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

3.06-3.192.97

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Uneven

1.6 Cleavage

{010} Perfect

None observed

1.7 Mohs Hardness

4-52.5

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Na 3AlF 6Ulrich Henn and Claudio C.

Friedelite and Cryolite Chemical Formula

While comparing Friedelite 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 Friedelite and Cryolite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

Compare Red Gemstones

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Friedelite and Cryolite Specific Gravity

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