Liddicoatite and Brucite Physical Properties

Liddicoatite

Brucite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.022.39

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

Irregular

1.6 Cleavage

{0001} Poor

Perfect on {0001}

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Liddicoatite and Brucite Chemical Formula

While comparing Liddicoatite 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 Liddicoatite and Brucite chemical formula.

Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Liddicoatite and Brucite Specific Gravity

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