Childrenite and Crystal Opal Physical Properties

Childrenite

Crystal Opal

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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

3.06-3.251.97-2.22

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Poor/indistinct on {100}

Not Available

1.7 Mohs Hardness

4.5-55.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Childrenite and Crystal Opal Chemical Formula

While comparing Childrenite and Crystal Opal 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 Crystal Opal chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Yellow Gemstones

Childrenite Vs Crystal Opal

Childrenite Vs Clinohumite

Childrenite Vs Common Opal

Childrenite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.