Childrenite and Gahnite Physical Properties

Childrenite

Gahnite

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Physical Properties

Tenacity

Solubility

Soluble

Durability

Specific Gravity

3.06-3.254.00-4.62

1 7.18

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Fracture

Sub-Conchoidal, Conchoidal, Uneven

Conchoidal, Uneven

Cleavage

Poor/indistinct on {100}

Indistinct parting on [111]

Mohs Hardness

4.5-57.5-8

2 10

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Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Childrenite and Gahnite Chemical Formula

While comparing Childrenite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Yellow Gemstones

Childrenite Vs Danburite

Childrenite Vs Diaspore

Childrenite Vs Diopside

Childrenite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.