Childrenite and Cryolite Physical Properties

Childrenite

Cryolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.252.97

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

Uneven

1.6 Cleavage

Poor/indistinct on {100}

None observed

1.7 Mohs Hardness

4.5-52.5

2 10

1.8 Chemical Composition

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

Na 3AlF 6Ulrich Henn and Claudio C.

Childrenite and Cryolite Chemical Formula

While comparing Childrenite and Cryolite 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 Cryolite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Childrenite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.97 whereas that of Cryolite is 2.97.