Creedite and Hematite Physical Properties

Creedite

Hematite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.705.00-5.30

1 7.18

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

4.56

2 10

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)

Compare Colorless Gems

Creedite Vs Dravite

Creedite Vs Diopside

Creedite Vs Diaspore

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.