Brucite and Erythrite Physical Properties

Brucite

Erythrite

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1 Physical Properties

1.1 Tenacity

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.393.06

1 7.18

1.5 Fracture

Irregular

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

Perfect on {0001}

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

2.5Not Available

2 10

1.8 Chemical Composition

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

Co3(AsO4)2•8(H2O)

Brucite and Erythrite Chemical Formula

While comparing Brucite and Erythrite 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 Erythrite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Compare Blue Gemstones

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Brucite Vs Common Opal

Brucite Vs Chrome Tourmaline

Brucite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.06 whereas that of Erythrite is 3.06.