Siderite and Hematite Physical Properties

Siderite

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

3.83-3.895.00-5.30

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Perfect on {01 1 1}

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

3.5-4.56

2 10

1.8 Chemical Composition

Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fe 2O 3Arthur Thomas , Gemstones (2009)

Siderite and Hematite Chemical Formula

While comparing Siderite 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 Siderite and Hematite chemical formula.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Siderite and Hematite Specific Gravity

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