Childrenite and Precious Opal Physical Properties

Childrenite

Precious Opal

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Soluble

3.06-3.25

Sub-Conchoidal, Conchoidal, Uneven

Poor/indistinct on {100}

4.5-5

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

1.98-2.25

Conchoidal

None

5-6.5

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Childrenite and Precious Opal Chemical Formula

While comparing Childrenite and Precious 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 Precious Opal chemical formula.

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Childrenite and Precious Opal Specific Gravity

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