Aragonite and Brucite Physical Properties

Aragonite

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.962.39

1 7.18

1.5 Fracture

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

Irregular

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

3.5-42.5

2 10

1.8 Chemical Composition

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

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Aragonite and Brucite Chemical Formula

While comparing Aragonite and Brucite 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 Brucite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Aragonite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 2.39 whereas that of Brucite is 2.39.