Childrenite and Andradite Garnet Physical Properties

Childrenite

Andradite Garnet

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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

3.06-3.253.8-3.9

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

Not Available

1.6 Cleavage

Poor/indistinct on {100}

None

1.7 Mohs Hardness

4.5-56.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Childrenite and Andradite Garnet Chemical Formula

While comparing Childrenite and Andradite Garnet 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 Andradite Garnet chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Childrenite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.