Brucite and Colemanite Physical Properties

Brucite

Colemanite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.40-2.42

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

2.54.5

2 10

1.8 Chemical Composition

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

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

Brucite and Colemanite Chemical Formula

While comparing Brucite and Colemanite 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 Colemanite chemical formula.

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

Compare Blue Gemstones

Brucite Vs Common Opal

Brucite Vs Chrysocolla

Brucite Vs Chrome Tourmaline

Brucite and Colemanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.