Pectolite and Aragonite Physical Properties

Pectolite

Aragonite

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

Durability

Specific Gravity

2.74-2.902.93-2.96

1 7.18

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Fracture

Uneven, Splintery

Subconchoidal, Conchoidal

Cleavage

Perfect on {100} and {001}

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

Mohs Hardness

4.5-53.5-4

2 10

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Chemical Composition

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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

Pectolite and Aragonite Chemical Formula

While comparing Pectolite 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 Pectolite and Aragonite chemical formula.

Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Pectolite Vs Orthoclase

Pectolite Vs Oligoclase

Pectolite Vs Muscovite

Pectolite and Aragonite Specific Gravity

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