Cinnabar and Cancrinite Physical Properties

Cinnabar

Cancrinite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Brittle

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

22.42-2.52

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Prismatic {10 1 0}, perfect

Perfect on {10 1 0}, poor on {0001}

1.7 Mohs Hardness

2-2.55-6

2 10

1.8 Chemical Composition

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

Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

Cinnabar and Cancrinite Chemical Formula

While comparing Cinnabar and Cancrinite 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 Cancrinite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cancrinite- Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Cinnabar and Cancrinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Cancrinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Cancrinite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.42-2.52 whereas that of Cancrinite is 2.42-2.52.