Agrellite and Hematite Physical Properties

Agrellite

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

2.885.00-5.30

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect [110]

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

1.7 Mohs Hardness

5.56

2 10

1.8 Chemical Composition

NaCa2Si4O10F

Fe 2O 3Arthur Thomas , Gemstones (2009)

Agrellite and Hematite Chemical Formula

While comparing Agrellite 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 Agrellite and Hematite chemical formula.

Chemical formula of Agrellite- NaCa2Si4O10F
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Agrellite and Hematite Specific Gravity

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