Childrenite and Bustamite Physical Properties

Childrenite

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.253.32-3.43

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Poor/indistinct on {100}

{100} perfect; {110} and {1 1 0} good; {010} poor

1.7 Mohs Hardness

4.5-55.5-6

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Childrenite and Bustamite Chemical Formula

While comparing Childrenite and Bustamite 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 Childrenite and Bustamite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Childrenite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.