Magnetite and Cinnabar Physical Properties

Magnetite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

Not Available

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

1.3 Durability

Not Available

1.4 Specific Gravity

5.22

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

None

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

5.5-6.52-2.5

2 10

1.8 Chemical Composition

Fe 3O 4Ulrich Henn and Claudio C.

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Magnetite and Cinnabar Chemical Formula

While comparing Magnetite and Cinnabar 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 Cinnabar chemical formula.

Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Magnetite and Cinnabar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnetite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnetite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Magnetite is 2 whereas that of Cinnabar is 2.