Childrenite and Allanite Physical Properties

Childrenite

Allanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.253.40-4.20

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

Not Available

1.6 Cleavage

Poor/indistinct on {100}

Not Available

1.7 Mohs Hardness

4.5-5Not Available

2 10

1.8 Chemical Composition

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

Not Available

Childrenite and Allanite Chemical Formula

While comparing Childrenite and Allanite 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 Allanite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

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Childrenite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.