Coral and Oligoclase Physical Properties

Coral

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

2.60-2.702.62-2.67

1 7.18

1.5 Fracture

Irregular, Irregular, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

From the Greek, oligos and kasein, little cleavage.

1.7 Mohs Hardness

3-46-6.5

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Coral and Oligoclase Chemical Formula

While comparing Coral 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 Coral and Oligoclase chemical formula.

Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Coral and Oligoclase Specific Gravity

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