Cassiterite and Childrenite Physical Properties

Cassiterite

Childrenite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.033.06-3.25

1 7.18

1.5 Fracture

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

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

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

Poor/indistinct on {100}

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

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

(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Cassiterite and Childrenite Chemical Formula

While comparing Cassiterite and Childrenite 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 Childrenite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

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Cassiterite and Childrenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Childrenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Childrenite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.06-3.25 whereas that of Childrenite is 3.06-3.25.