Gaylussite and Cinnabar Physical Properties

Gaylussite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

decomposes in water

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

1.93-1.992

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

perfect [110]

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

2.52-2.5

2 10

1.8 Chemical Composition

Na2Ca(CO3)2•5(H2O)

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

Gaylussite and Cinnabar Chemical Formula

While comparing Gaylussite 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 Gaylussite and Cinnabar chemical formula.

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

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Gaylussite and Cinnabar Specific Gravity

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