Colemanite and Brucite Physical Properties

Colemanite

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

2.40-2.422.39

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

Irregular

1.6 Cleavage

{010} Perfect, {001} Distinct

Perfect on {0001}

1.7 Mohs Hardness

4.52.5

2 10

1.8 Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Colemanite and Brucite Chemical Formula

While comparing Colemanite 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 Colemanite and Brucite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Colemanite Vs Datolite

Colemanite Vs Cubic Zirconia

Colemanite Vs Diaspore

Colemanite and Brucite Specific Gravity

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