Nickeline and Aragonite Physical Properties

Nickeline

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

Not Available2.93-2.96

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

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

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

Not Available

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

Nickeline and Aragonite Chemical Formula

While comparing Nickeline 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 Nickeline and Aragonite chemical formula.

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

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Nickeline and Aragonite Specific Gravity

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