Childrenite and Almandine Physical Properties

Childrenite

Almandine

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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

3.06-3.253.95-4.30

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Poor/indistinct on {100}

none

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)

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Childrenite and Almandine Chemical Formula

While comparing Childrenite and Almandine 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 Almandine chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Childrenite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.