Franklinite and Kyanite Physical Properties

Franklinite

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.05-5.223.53-3.65

1 7.18

1.5 Fracture

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

Splintery, Brittle, Metallic

1.6 Cleavage

None

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

5.5-64-7

2 10

1.8 Chemical Composition

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

Not Available

Franklinite and Kyanite Chemical Formula

While comparing Franklinite and Kyanite 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 Kyanite chemical formula.

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

Compare Red Gemstones

Franklinite Vs Hibonite

Franklinite Vs Hydrogrossular

Franklinite Vs Hexagonite

Franklinite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.