Aragonite and Magnesite Physical Properties

Aragonite

Magnesite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Dilute acid

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.962.92-3.12

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

[10 1 1] perfect

1.7 Mohs Hardness

3.5-43.5-4.5

2 10

1.8 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 Vs Variscite

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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.