Childrenite and Iolite Physical Properties

Childrenite

Iolite

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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

3.06-3.252.6-2.7

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

Not Available

1.6 Cleavage

Poor/indistinct on {100}

3,1

1.7 Mohs Hardness

4.5-57-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Childrenite and Iolite Chemical Formula

While comparing Childrenite and Iolite 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 Iolite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Childrenite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.