Franklinite and Nephrite Physical Properties

Franklinite

Nephrite

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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

5.05-5.222.90-3.10

1 7.18

1.5 Fracture

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

Splintery, Granular, Splintery, Granular, Gemstones (2009)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

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

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Franklinite and Nephrite Chemical Formula

While comparing Franklinite and Nephrite 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 Nephrite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Franklinite and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.