Cassiterite and Franklinite Physical Properties

Cassiterite

Franklinite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.035.05-5.22

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

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

1.6 Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

None

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Cassiterite and Franklinite Chemical Formula

While comparing Cassiterite 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 Cassiterite and Franklinite chemical formula.

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

Compare Red Gemstones

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Cassiterite Vs Cinnabar

Cassiterite and Franklinite Specific Gravity

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