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Grandidierite
Grandidierite

Hematite
Hematite



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Grandidierite
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Hematite

Grandidierite and Hematite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
 
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)

Grandidierite and Hematite Chemical Formula

While comparing Grandidierite 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 Grandidierite and Hematite chemical formula.

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Grandidierite and Hematite Specific Gravity

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