Boracite and Brucite Physical Properties

Boracite

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-2.96

2.39

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Irregular

1.6 Cleavage

None

Perfect on {0001}

1.7 Mohs Hardness

7-7.5

2.5

1.8 Chemical Composition

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Boracite and Brucite Chemical Formula

While comparing Boracite 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 Boracite and Brucite chemical formula.

Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Boracite and Brucite Specific Gravity

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