Aragonite and Magnesite Physical Properties

Aragonite

Magnesite

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

Effervesces in hot HCl

Durability

Specific Gravity

2.93-2.962.92-3.12

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

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

[10 1 1] perfect

Mohs Hardness

3.5-43.5-4.5

2 10

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Chemical Composition

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

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

Aragonite and Magnesite Chemical Formula

While comparing Aragonite and Magnesite 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 Magnesite chemical formula.

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

Compare Gems for Virgo

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Aragonite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.