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Creedite
Creedite

Hematite
Hematite



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Creedite and Hematite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.70
5.00-5.30
1.5 Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
Perfect on {100}
None, may show partings on {0001} and {10 1 1}
1.7 Mohs Hardness
4.5
6
1.8 Chemical Composition
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Fe 2O 3Arthur Thomas , Gemstones (2009)

Creedite and Hematite Chemical Formula

While comparing Creedite 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 Creedite and Hematite chemical formula.

  • Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
  • Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Creedite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Creedite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.