Childrenite and Kornerupine Physical Properties

Childrenite

Kornerupine

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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

3.06-3.253.25-3.45

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Poor/indistinct on {100}

Good on {110}

1.7 Mohs Hardness

4.5-56.5

2 10

1.8 Chemical Composition

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

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Childrenite and Kornerupine Chemical Formula

While comparing Childrenite and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Childrenite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.