Franklinite and Carnallite Physical Properties

Franklinite

Carnallite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.05-5.221.6

1 7.18

1.5 Fracture

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

Violet, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

None

1.7 Mohs Hardness

5.5-62.5

2 10

1.8 Chemical Composition

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

KMgCl3•6(H2O)

Franklinite and Carnallite Chemical Formula

While comparing Franklinite and Carnallite 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 Carnallite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Carnallite- KMgCl3•6(H2O)

Compare Red Gemstones

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Franklinite Vs Hydrogrossular

Franklinite Vs Hexagonite

Franklinite and Carnallite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 1.6 whereas that of Carnallite is 1.6.