Brucite and Emerald Physical Properties

Brucite

Emerald

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.392.67-2.78

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

Imperfect on the [0001]

1.7 Mohs Hardness

2.57.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Brucite and Emerald Chemical Formula

While comparing Brucite and Emerald 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 Emerald chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Brucite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.