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Spinel
Spinel

Hematite
Hematite



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Spinel
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Hematite

Spinel and Hematite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4
 
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)

Spinel and Hematite Chemical Formula

While comparing Spinel 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 Spinel and Hematite chemical formula.

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Spinel and Hematite Specific Gravity

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