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Hematite
Hematite

Coral
Coral



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Hematite
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Coral

Hematite and Coral 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)
 
-
-
-
2.60-2.70
Irregular
None
3-4
CaCO 3Ulrich Henn and Claudio C.

Hematite and Coral Chemical Formula

While comparing Hematite and Coral 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 Coral chemical formula.

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Hematite and Coral Specific Gravity

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