Franklinite and Apophyllite Physical Properties

Franklinite

Apophyllite

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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

2.30-2.50

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Perfect on (001)

1.7 Mohs Hardness

5.5-6

4.5-5

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Franklinite and Apophyllite Chemical Formula

While comparing Franklinite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Compare Red Gemstones

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Franklinite Vs Hibonite

Franklinite Vs Hydrogrossular

Franklinite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.