Cryolite and Franklinite Physical Properties

Cryolite

Franklinite

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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

2.975.05-5.22

1 7.18

1.5 Fracture

Uneven

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

None observed

None

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Cryolite and Franklinite Chemical Formula

While comparing Cryolite and Franklinite 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 Franklinite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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Cryolite and Franklinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.