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Hematite
Hematite

Mellite
Mellite



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Hematite
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Mellite

Hematite and Mellite Physical Properties

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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}
6
Fe 2O 3Arthur Thomas , Gemstones (2009)
 
-
-
-
1.58-1.60
Conchoidal
{011} Imperfect
2
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Hematite and Mellite Chemical Formula

While comparing Hematite and Mellite 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 Mellite chemical formula.

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Hematite and Mellite Specific Gravity

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