Childrenite and Catapleiite Physical Properties

Childrenite

Catapleiite

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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

3.06-3.252.72

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Poor/indistinct on {100}

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

4.5-55-6

2 10

1.8 Chemical Composition

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

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Childrenite and Catapleiite Chemical Formula

While comparing Childrenite and Catapleiite 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 Catapleiite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Childrenite and Catapleiite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.72 whereas that of Catapleiite is 2.72.