Oligoclase and Chrysoprase Physical Properties

Oligoclase

Chrysoprase

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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

2.62-2.672.58-2.64

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

None

1.7 Mohs Hardness

6-6.56.5-7

2 10

1.8 Chemical Composition

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

SiO₂ (with a high level of nickel impurities )

Oligoclase and Chrysoprase Chemical Formula

While comparing Oligoclase and Chrysoprase 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 Chrysoprase chemical formula.

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

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Oligoclase and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.