Childrenite and Chlorapatite Physical Properties

Childrenite

Chlorapatite

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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

3.06-3.253.17-3.18

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)

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Childrenite and Chlorapatite Chemical Formula

While comparing Childrenite and Chlorapatite 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 Chlorapatite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

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Childrenite and Chlorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Chlorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Chlorapatite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.17-3.18 whereas that of Chlorapatite is 3.17-3.18.