Aragonite and Childrenite Physical Properties

Aragonite

Childrenite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Dilute acid

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.963.06-3.25

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven

1.6 Cleavage

Distinct on {010}, imperfect {110} and {011}

Poor/indistinct on {100}

1.7 Mohs Hardness

3.5-44.5-5

2 10

1.8 Chemical Composition

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Aragonite and Childrenite Chemical Formula

While comparing Aragonite 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 Aragonite and Childrenite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Compare Gems for Virgo

Aragonite Vs Peridot

Aragonite Vs Variscite

Aragonite Vs Zircon

Aragonite and Childrenite Specific Gravity

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