Childrenite and Cobaltite Physical Properties

Childrenite

Cobaltite

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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

3.06-3.256.3

1 7.18

1.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Poor/indistinct on {100}

{100} Good, {010} Good, {001} Good

1.7 Mohs Hardness

4.5-55.5

2 10

1.8 Chemical Composition

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

CoAsSAnthony et al , Handbook of mineralogy (2001)

Childrenite and Cobaltite Chemical Formula

While comparing Childrenite and Cobaltite 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 Cobaltite chemical formula.

Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Childrenite and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 6.3 whereas that of Cobaltite is 6.3.