Franklinite and Sphalerite Physical Properties

Franklinite

Sphalerite

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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

5.05-5.223.95-4.10

1 7.18

1.5 Fracture

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

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

None

{110} Perfect, {110} Perfect, {110} Perfect

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

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

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Franklinite and Sphalerite Chemical Formula

While comparing Franklinite and Sphalerite 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 Sphalerite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Franklinite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.