Aragonite and Papagoite Physical Properties

Aragonite

Papagoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.963.25

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

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

Imperfect in one direction

1.7 Mohs Hardness

3.5-45-5.5

2 10

1.8 Chemical Composition

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

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Aragonite and Papagoite Chemical Formula

While comparing Aragonite and Papagoite 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 Papagoite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Aragonite and Papagoite Specific Gravity

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