Povondraite and Aragonite Physical Properties

Povondraite

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

3.262.93-2.96

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

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

Povondraite and Aragonite Chemical Formula

While comparing Povondraite 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 Povondraite and Aragonite chemical formula.

Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Povondraite Vs Sonolite

Povondraite Vs Staurolite

Povondraite Vs Smoky Quartz

Povondraite and Aragonite Specific Gravity

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