Franklinite and Creedite Physical Properties

Franklinite

Creedite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

5.05-5.22

Uneven

None

5.5-6

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

Brittle

2.70

Uneven, Conchoidal

Perfect on {100}

4.5

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Franklinite and Creedite Chemical Formula

While comparing Franklinite and Creedite 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 Franklinite and Creedite chemical formula.

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Franklinite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite Vs Creedite during the identification of gemstone. Specific gravity of Franklinite is whereas that of Creedite is .