Franklinite and Hardystonite Physical Properties

Franklinite

Hardystonite

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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

5.05-5.223.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

None

[001] good, [100] and [110] fair

1.7 Mohs Hardness

5.5-63-4

2 10

1.8 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Franklinite and Hardystonite Chemical Formula

While comparing Franklinite and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

Franklinite Vs Hexagonite

Franklinite Vs Hydrogrossular

Franklinite Vs Hibonite

Franklinite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.