Cinnabar and Mellite Physical Properties

Cinnabar

Mellite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Not Available

1.2 Solubility

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

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

21.58-1.60

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Prismatic {10 1 0}, perfect

{011} Imperfect

1.7 Mohs Hardness

2-2.52

2 10

1.8 Chemical Composition

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

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Cinnabar and Mellite Chemical Formula

While comparing Cinnabar and Mellite 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 Mellite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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Cinnabar and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Mellite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 1.58-1.60 whereas that of Mellite is 1.58-1.60.