Zinnwaldite and Brucite Physical Properties

Zinnwaldite

Brucite

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1 Physical Properties

1.1 Tenacity

Elastic

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.12.39

1 7.18

1.5 Fracture

Uneven

Irregular

1.6 Cleavage

Perfect basal {001}

Perfect on {0001}

1.7 Mohs Hardness

3.5-4.02.5

2 10

1.8 Chemical Composition

Not Available

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

Zinnwaldite and Brucite Chemical Formula

While comparing Zinnwaldite and Brucite 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 Zinnwaldite and Brucite chemical formula.

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

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Zinnwaldite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zinnwaldite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zinnwaldite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Zinnwaldite is 2.39 whereas that of Brucite is 2.39.