Brucite and Riebeckite Physical Properties

Brucite

Riebeckite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.393.28-3.44

1 7.18

1.5 Fracture

Irregular

Uneven, Splintery, Brittle

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

2.55.0-6.0

2 10

1.8 Chemical Composition

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

Not Available

Brucite and Riebeckite Chemical Formula

While comparing Brucite and Riebeckite 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 Riebeckite chemical formula.

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

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Brucite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.