Vesuvianite and Oligoclase Physical Properties

Vesuvianite

Oligoclase

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.32-3.43

Conchoidal

Poor on {110} and {100} very poor on {001}

6-7

Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

2.62-2.67

Uneven

From the Greek, oligos and kasein, little cleavage.

6-6.5

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

Vesuvianite and Oligoclase Chemical Formula

While comparing Vesuvianite 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 Vesuvianite and Oligoclase chemical formula.

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Vesuvianite and Oligoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite Vs Oligoclase during the identification of gemstone. Specific gravity of Vesuvianite is whereas that of Oligoclase is .