Oligoclase and Pleonast Physical Properties

Oligoclase

Pleonast

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1 Physical Properties

1.1 Tenacity

Not Available

1.3 Solubility

Not Available

1.4 Durability

Not Available

1.5 Specific Gravity

2.62-2.67Not Available

1 7.18

1.6 Fracture

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

Not Available

1.7 Cleavage

From the Greek, oligos and kasein, little cleavage.

Not Available

1.8 Mohs Hardness

6-6.5Not Available

2 10

1.14 Chemical Composition

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

Not Available

Oligoclase and Pleonast Chemical Formula

While comparing Oligoclase and Pleonast 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 Oligoclase and Pleonast chemical formula.

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

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Oligoclase and Pleonast Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Pleonast Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Pleonast Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is Not Available whereas that of Pleonast is Not Available.