Franklinite and Hibonite Physical Properties

Franklinite

Hibonite

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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

5.05-5.22

3.84

1.5 Fracture

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

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

5.5-6

7.5-8

1.8 Chemical Composition

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

(Ca,Ce)(Al,Ti,Mg)12O19

Franklinite and Hibonite Chemical Formula

While comparing Franklinite and Hibonite 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 Hibonite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Compare Red Gemstones

Franklinite Vs Hibonite

Franklinite Vs Hydrogrossular

Franklinite Vs Hexagonite

Franklinite and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.84 whereas that of Hibonite is 3.84.