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Natrolite
Natrolite

Aragonite
Aragonite



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Natrolite and Aragonite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Dilute acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.20-2.26
2.93-2.96
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
5-5.5
3.5-4
1.8 Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaCO 3Michael O’Donoghue , 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 O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

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.