Adamite and Aragonite Physical Properties

Adamite

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

4.32-4.482.93-2.96

1 7.18

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{101}, good; {010}, poor

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

1.7 Mohs Hardness

3.53.5-4

2 10

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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

Adamite and Aragonite Chemical Formula

While comparing Adamite 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 Adamite and Aragonite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

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Adamite Vs Apatite

Adamite Vs Anhydrite

Adamite and Aragonite Specific Gravity

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