Brucite and Shigaite Physical Properties

Brucite

Shigaite

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1 Physical Properties

1.1 Tenacity

Sectile

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.32

1 7.18

1.5 Fracture

Irregular

Flexible Flexible fragments.

1.6 Cleavage

Perfect on {0001}

1.7 Mohs Hardness

2.52

2 10

1.8 Chemical Composition

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

Not Available

Brucite and Shigaite Chemical Formula

While comparing Brucite and Shigaite 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 Shigaite chemical formula.

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

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Brucite and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.32 whereas that of Shigaite is 2.32.