Childrenite and Caledonite Physical Properties

Childrenite

Caledonite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.06-3.255.6-5.76

1 7.18

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Fracture

Sub-Conchoidal, Conchoidal, Uneven

Uneven

Cleavage

Poor/indistinct on {100}

[001] perfect; [100] distinct

Mohs Hardness

4.5-52.5-3

2 10

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Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Childrenite and Caledonite Chemical Formula

While comparing Childrenite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Yellow Gemstones

Childrenite Vs Danburite

Childrenite Vs Diaspore

Childrenite Vs Diopside

Childrenite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.