Mottramite and Brucite Physical Properties

Mottramite

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.92.39

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Irregular

1.6 Cleavage

None observed

Perfect on {0001}

1.7 Mohs Hardness

32.5

2 10

1.8 Chemical Composition

Not Available

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

Mottramite and Brucite Chemical Formula

While comparing Mottramite 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 Mottramite and Brucite chemical formula.

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

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Mottramite and Brucite Specific Gravity

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