Chrome-Chalcedony and Childrenite Physical Properties

Chrome-Chalcedony

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 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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

Chrome-Chalcedony and Childrenite Chemical Formula

While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Childrenite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

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Chrome-Chalcedony and Childrenite Specific Gravity

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