Sardonyx and Childrenite Physical Properties

Sardonyx

Childrenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.06-3.25

1 7.18

1.5 Fracture

Not Available

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

Not Available

Poor/indistinct on {100}

1.7 Mohs Hardness

6.5-74.5-5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sardonyx and Childrenite Chemical Formula

While comparing Sardonyx and Childrenite 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 Sardonyx and Childrenite chemical formula.

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

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Sardonyx and Childrenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Childrenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Childrenite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.06-3.25 whereas that of Childrenite is 3.06-3.25.