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Piemontite
Piemontite

Hematite
Hematite



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Piemontite
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Hematite

Piemontite and Hematite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
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)

Piemontite and Hematite Chemical Formula

While comparing Piemontite 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 Piemontite and Hematite chemical formula.

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Piemontite and Hematite Specific Gravity

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