Oligoclase and White Opal Physical Properties

Oligoclase

White Opal

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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

2.62-2.671.98-2.50

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

Not Available

1.7 Mohs Hardness

6-6.55.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Oligoclase and White Opal Chemical Formula

While comparing Oligoclase and White Opal 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 White Opal 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 White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Colorless Gems

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Oligoclase Vs Phenakite

Oligoclase Vs Phosphophyllite

Oligoclase and White Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and White Opal Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 1.98-2.50 whereas that of White Opal is 1.98-2.50.