Natrolite and Aragonite Physical Properties

Natrolite

Aragonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.262.93-2.96

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Gemstones (2009)

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

1.6 Cleavage

Perfect on {110}

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

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Natrolite and Aragonite Chemical Formula

While comparing Natrolite 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 Natrolite and Aragonite chemical formula.

Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare White Gemstones

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Natrolite Vs Phosgenite

Natrolite and Aragonite Specific Gravity

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