Esperite and Franklinite Physical Properties

Esperite

Franklinite

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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

4.28-4.425.05-5.22

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

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

1.6 Cleavage

Distinct on [010] and [100] poor on [101]

None

1.7 Mohs Hardness

5-5.55.5-6

2 10

1.8 Chemical Composition

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

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

Esperite and Franklinite Chemical Formula

While comparing Esperite and Franklinite 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 Esperite and Franklinite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare White Gemstones

Esperite Vs Hackmanite

Esperite Vs Hydrogrossular

Esperite Vs Hardystonite

Esperite and Franklinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.