Ajoite and Childrenite Physical Properties

Ajoite

Childrenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.963.06-3.25

1 7.18

1.5 Fracture

Not Available

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

Perfect on {010}

Poor/indistinct on {100}

1.7 Mohs Hardness

54.5-5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Childrenite Chemical Formula

While comparing Ajoite and Childrenite 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 Ajoite and Childrenite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

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Ajoite and Childrenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Childrenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Childrenite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 3.06-3.25 whereas that of Childrenite is 3.06-3.25.