Hematite and Oligoclase Physical Properties

Hematite

Oligoclase

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

5.00-5.30

Uneven, ConchoidalWalter Schumann, Conchoidal

None, may show partings on {0001} and {10 1 1}

Fe 2O 3Arthur Thomas , Gemstones (2009)

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)

Hematite and Oligoclase Chemical Formula

While comparing Hematite 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 Hematite and Oligoclase chemical formula.

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Hematite and Oligoclase Specific Gravity

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