Sapphirine and Hematite Physical Properties

Sapphirine

Hematite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

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)

Sapphirine and Hematite Chemical Formula

While comparing Sapphirine and Hematite 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 Sapphirine and Hematite chemical formula.

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Sapphirine and Hematite Specific Gravity

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