Brucite and Oligoclase Physical Properties

Brucite

Oligoclase

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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

2.392.62-2.67

1 7.18

1.5 Fracture

Irregular

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven

1.6 Cleavage

Perfect on {0001}

From the Greek, oligos and kasein, little cleavage.

1.7 Mohs Hardness

2.56-6.5

2 10

1.8 Chemical Composition

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

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Brucite and Oligoclase Chemical Formula

While comparing Brucite and Oligoclase 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 Oligoclase chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

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Brucite Vs Common Opal

Brucite Vs Chrysocolla

Brucite and Oligoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.