Oligoclase and Afghanite Physical Properties

Oligoclase

Afghanite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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)

2.55-2.65

Conchoidal

Perfect {10 1 0}

5.5-6

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Oligoclase and Afghanite Chemical Formula

While comparing Oligoclase and Afghanite 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 Afghanite chemical formula.

Compare Colorless Gems

Oligoclase Vs Zektzerite

Oligoclase Vs Taaffeite

Oligoclase Vs Muscovite

Oligoclase and Afghanite Specific Gravity

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