Lazulite and Childrenite Physical Properties

Lazulite

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

3.04-3.173.06-3.25

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Poor/indistinct on {100}

1.7 Mohs Hardness

5.54.5-5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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

Lazulite and Childrenite Chemical Formula

While comparing Lazulite 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 Lazulite and Childrenite chemical formula.

Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

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Lazulite and Childrenite Specific Gravity

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