Cinnabar and Gaylussite Physical Properties

Cinnabar

Gaylussite

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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)

decomposes in water

1.3 Durability

Not Available

1.4 Specific Gravity

21.93-1.99

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Prismatic {10 1 0}, perfect

perfect [110]

1.7 Mohs Hardness

2-2.52.5

2 10

1.8 Chemical Composition

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

Na2Ca(CO3)2•5(H2O)

Cinnabar and Gaylussite Chemical Formula

While comparing Cinnabar and Gaylussite 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 Gaylussite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)

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Cinnabar and Gaylussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.