Brucite and Cordierite Iolite Physical Properties

Brucite

Cordierite Iolite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.56-2.66

1 7.18

1.5 Fracture

Irregular

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {0001}

Not Available

1.7 Mohs Hardness

2.57-7.5

2 10

1.8 Chemical Composition

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

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Brucite and Cordierite Iolite Chemical Formula

While comparing Brucite and Cordierite Iolite 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 Cordierite Iolite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Compare Blue Gemstones

Brucite Vs Common Opal

Brucite Vs Chrome Tourmaline

Brucite Vs Chrysocolla

Brucite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.