Iddingsite and Brucite Physical Properties

Iddingsite

Brucite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.5-2.82.39

1 7.18

1.5 Fracture

Not Available

Irregular

1.6 Cleavage

{???} Perfect

Perfect on {0001}

1.7 Mohs Hardness

32.5

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

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

Iddingsite and Brucite Chemical Formula

While comparing Iddingsite 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 Iddingsite and Brucite chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Iddingsite and Brucite Specific Gravity

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