Magnetite and Ettringite Physical Properties

Magnetite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

5.21.77

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

None

Perfect on {10 1 0}

1.7 Mohs Hardness

5.5-6.52-2.5

2 10

1.8 Chemical Composition

Fe 3O 4Ulrich Henn and Claudio C.

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Magnetite and Ettringite Chemical Formula

While comparing Magnetite and Ettringite 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 Magnetite and Ettringite chemical formula.

Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Magnetite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnetite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnetite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Magnetite is 1.77 whereas that of Ettringite is 1.77.