Painite and Aragonite Physical Properties

Painite

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.032.93-2.96

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 Chemical Composition

CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Painite and Aragonite Chemical Formula

While comparing Painite and Aragonite 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 Painite and Aragonite chemical formula.

Chemical formula of Painite- CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Painite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Painite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Painite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Painite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.