Chrysoprase and Oligoclase Physical Properties

Chrysoprase

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

2.58-2.642.62-2.67

1 7.18

2.5 Fracture

Gems, Sixth Edition (2006)

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

2.6 Cleavage

None

From the Greek, oligos and kasein, little cleavage.

2.7 Mohs Hardness

6.5-76-6.5

2 10

2.11 Chemical Composition

SiO₂ (with a high level of nickel impurities )

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

Chrysoprase and Oligoclase Chemical Formula

While comparing Chrysoprase 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 Chrysoprase and Oligoclase chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )
Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Chrysoprase and Oligoclase Specific Gravity

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