Franklinite and Agrellite Physical Properties

Franklinite

Agrellite

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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

5.05-5.222.88

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

None

perfect [110]

1.7 Mohs Hardness

5.5-65.5

2 10

1.8 Chemical Composition

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

NaCa2Si4O10F

Franklinite and Agrellite Chemical Formula

While comparing Franklinite and Agrellite 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 Agrellite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Agrellite- NaCa2Si4O10F

Compare Red Gemstones

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Franklinite Vs Hexagonite

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Franklinite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.88 whereas that of Agrellite is 2.88.