Carnallite and Franklinite Physical Properties

Carnallite

Franklinite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.65.05-5.22

1 7.18

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

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

1.6 Cleavage

None

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

KMgCl3•6(H2O)

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

Carnallite and Franklinite Chemical Formula

While comparing Carnallite 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 Carnallite and Franklinite chemical formula.

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

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Carnallite and Franklinite Specific Gravity

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