Hematite and Sapphirine Physical Properties

Hematite

Sapphirine

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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)

3.40-3.58

Conchoidal, Uneven

{010} Perfect

7.5

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hematite and Sapphirine Chemical Formula

While comparing Hematite and Sapphirine 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 Sapphirine chemical formula.

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Hematite and Sapphirine Specific Gravity

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