Brucite and Charlesite Physical Properties

Brucite

Charlesite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.391.79

1 7.18

1.5 Fracture

Irregular

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

Perfect on {0001}

Perfect on {10bar10}

1.7 Mohs Hardness

2.52.5

2 10

1.8 Chemical Composition

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

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Brucite and Charlesite Chemical Formula

While comparing Brucite and Charlesite 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 Charlesite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Compare Blue Gemstones

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Brucite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 1.79 whereas that of Charlesite is 1.79.