Childrenite and Marialite Physical Properties

Childrenite

Marialite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.252.50

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Poor/indistinct on {100}

Distinct on {100} and {110}

1.7 Mohs Hardness

4.5-55.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Childrenite and Marialite Chemical Formula

While comparing Childrenite and Marialite 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 Marialite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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Childrenite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.50 whereas that of Marialite is 2.50.