Herderite and Hematite Physical Properties

Herderite

Hematite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.025.00-5.30

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

1.6 Cleavage

Indistinct on {110}

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

1.7 Mohs Hardness

5-5.56

2 10

1.8 Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Fe 2O 3Arthur Thomas , Gemstones (2009)

Herderite and Hematite Chemical Formula

While comparing Herderite 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 Herderite and Hematite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Herderite and Hematite Specific Gravity

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