Brucite and Cancrinite Physical Properties

Brucite

Cancrinite

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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

2.392.42-2.52

1 7.18

1.5 Fracture

Irregular

Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Perfect on {0001}

Perfect on {10 1 0}, poor on {0001}

1.7 Mohs Hardness

2.55-6

2 10

1.8 Chemical Composition

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

Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

Brucite and Cancrinite Chemical Formula

While comparing Brucite and Cancrinite 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 Cancrinite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cancrinite- Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Brucite and Cancrinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Cancrinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Cancrinite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.42-2.52 whereas that of Cancrinite is 2.42-2.52.