Brucite and Brookite Physical Properties

Brucite

Brookite

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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

2.393.87-4.14

1 7.18

1.5 Fracture

Irregular

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Perfect on {0001}

Poor on {120}, in traces on {001}

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Brucite and Brookite Chemical Formula

While comparing Brucite and Brookite 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 Brookite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Brucite Vs Common Opal

Brucite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.