Franklinite and Vivianite Physical Properties

Franklinite

Vivianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.05-5.222.64-2.70

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

None

{010} Perfect

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Franklinite and Vivianite Chemical Formula

While comparing Franklinite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

Franklinite Vs Hexagonite

Franklinite Vs Hibonite

Franklinite Vs Hydrogrossular

Franklinite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.