Brucite and Fayalite Physical Properties

Brucite

Fayalite

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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

2.394.392

1 7.18

1.5 Fracture

Irregular

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Perfect on {0001}

{010} moderate, {100} imperfect

1.7 Mohs Hardness

2.56.5-7

2 10

1.8 Chemical Composition

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

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Brucite and Fayalite Chemical Formula

While comparing Brucite and Fayalite 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 Fayalite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Brucite Vs Chrome Tourmaline

Brucite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 4.392 whereas that of Fayalite is 4.392.