Riebeckite and Brucite Physical Properties

Riebeckite

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

3.28-3.442.39

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Irregular

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

Perfect on {0001}

1.7 Mohs Hardness

5.0-6.02.5

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Brucite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Brucite chemical formula.

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

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Riebeckite and Brucite Specific Gravity

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