Franklinite and Eosphorite Physical Properties

Franklinite

Eosphorite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.05-5.223.05-3.08

1 7.18

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Fracture

Uneven

Subconchoidal, Uneven, Conchoidal

Cleavage

None

Poor on {100}

Mohs Hardness

5.5-65

2 10

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Chemical Composition

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

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Franklinite and Eosphorite Chemical Formula

While comparing Franklinite and Eosphorite 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 Eosphorite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

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Franklinite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.