Brucite and Aragonite Physical Properties

Brucite

Aragonite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.93-2.96

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

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

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

Brucite and Aragonite Chemical Formula

While comparing Brucite 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 Brucite and Aragonite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael 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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Brucite Vs Chrysocolla

Brucite Vs Common Opal

Brucite and Aragonite Specific Gravity

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