Cinnabar and Jacobsite Physical Properties

Cinnabar

Jacobsite

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Physical Properties

Tenacity

Slightly sectile

Solubility

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

Durability

Specific Gravity

24.76-5.03

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

Prismatic {10 1 0}, perfect

None

Mohs Hardness

2-2.55.5-6.5

2 10

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Chemical Composition

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

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Cinnabar and Jacobsite Chemical Formula

While comparing Cinnabar and Jacobsite 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 Cinnabar and Jacobsite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

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Cinnabar and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.