Brucite and Pectolite Physical Properties

Brucite

Pectolite

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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

2.392.74-2.90

1 7.18

1.5 Fracture

Irregular

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

Perfect on {0001}

Perfect on {100} and {001}

1.7 Mohs Hardness

2.54.5-5

2 10

1.8 Chemical Composition

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

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Brucite and Pectolite Chemical Formula

While comparing Brucite and Pectolite 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 Pectolite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Brucite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.