Tourmaline and Brucite Physical Properties

Tourmaline

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

2.85-3.352.39

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Irregular

1.6 Cleavage

Indistinct

Perfect on {0001}

1.7 Mohs Hardness

7-7.52.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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

Tourmaline and Brucite Chemical Formula

While comparing Tourmaline 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 Tourmaline and Brucite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Tourmaline and Brucite Specific Gravity

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