Childrenite and White Opal Physical Properties

Childrenite

White 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

3.06-3.251.98-2.50

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

Conchoidal, Conchoidal, Gemstones of the world (2001)

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 · nH 2OWalter Schumann , Gemstones of the world (2001)

Childrenite and White Opal Chemical Formula

While comparing Childrenite and White 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 White Opal chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Childrenite and White Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.