Barite and Oligoclase Physical Properties

Barite

Oligoclase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.482.62-2.67

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

From the Greek, oligos and kasein, little cleavage.

1.7 Mohs Hardness

3-3.56-6.5

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Oligoclase Chemical Formula

While comparing Barite 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 Barite and Oligoclase chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Barite and Oligoclase Specific Gravity

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