Gahnospinel and Childrenite Physical Properties

Gahnospinel

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

3.65-4.553.06-3.25

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

None, but may exhibit slight parting

Poor/indistinct on {100}

1.7 Mohs Hardness

7.5-84.5-5

2 10

1.8 Chemical Composition

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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

Gahnospinel and Childrenite Chemical Formula

While comparing Gahnospinel 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 Gahnospinel and Childrenite chemical formula.

Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Gahnospinel Vs Jeremejevite

Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel and Childrenite Specific Gravity

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