Childrenite and Forsterite Physical Properties

Childrenite

Forsterite

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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

3.06-3.253.23-3.26

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

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

1.6 Cleavage

Poor/indistinct on {100}

Perfect on {010} imperfect on {100}

1.7 Mohs Hardness

4.5-56.5-7

2 10

1.8 Chemical Composition

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

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Childrenite and Forsterite Chemical Formula

While comparing Childrenite and Forsterite 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 Forsterite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Childrenite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.