Nickeline and Brucite Physical Properties

Nickeline

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.39

1 7.18

1.5 Fracture

Conchoidal, Uneven

Irregular

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Perfect on {0001}

1.7 Mohs Hardness

5-5.52.5

2 10

1.8 Chemical Composition

Not Available

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

Nickeline and Brucite Chemical Formula

While comparing Nickeline 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 Nickeline and Brucite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Nickeline and Brucite Specific Gravity

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