Aragonite and Zinnwaldite Physical Properties

Aragonite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.962.9-3.1

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

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

Perfect basal {001}

1.7 Mohs Hardness

3.5-43.5-4.0

2 10

1.8 Chemical Composition

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

Not Available

Aragonite and Zinnwaldite Chemical Formula

While comparing Aragonite and Zinnwaldite 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 Aragonite and Zinnwaldite chemical formula.

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

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Aragonite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.