Brucite and Dumortierite Physical Properties

Brucite

Dumortierite

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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

2.393.26-3.41

1 7.18

1.5 Fracture

Irregular

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

Perfect on {0001}

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

2.57-8.5

2 10

1.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

Brucite and Dumortierite Chemical Formula

While comparing Brucite and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Brucite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.