Franklinite and Sylvite Physical Properties

Franklinite

Sylvite

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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

5.05-5.221.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

None

Perfect on [100], [010], [001]

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)

Not Available

Franklinite and Sylvite Chemical Formula

While comparing Franklinite and Sylvite 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 Sylvite chemical formula.

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

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Franklinite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 1.993 whereas that of Sylvite is 1.993.