Iolite and Oligoclase Physical Properties

Iolite

Oligoclase

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.72.62-2.67

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1

From the Greek, oligos and kasein, little cleavage.

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

Iolite and Oligoclase Chemical Formula

While comparing Iolite 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 Iolite and Oligoclase chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Taurus » More

Iolite Vs Chrysocolla

Iolite Vs Carnelian

Iolite Vs Quartz Rose

» More

More Compare Gems for Taurus

Iolite and Oligoclase Specific Gravity

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