Almandine and Magnetite Physical Properties

Almandine

Magnetite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.30

5.2

1.5 Fracture

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

Uneven, Uneven, Management Team (2012), Conchoidal, Brittle

1.6 Cleavage

none

None

1.7 Mohs Hardness

7-7.5

5.5-6.5

1.8 Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Fe 3O 4Ulrich Henn and Claudio C.

Almandine and Magnetite Chemical Formula

While comparing Almandine and Magnetite 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 Almandine and Magnetite chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.

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Almandine and Magnetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Magnetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Magnetite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 5.2 whereas that of Magnetite is 5.2.