Cinnabar and Augelite Physical Properties

Cinnabar

Augelite

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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

22.70-2.75

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Prismatic {10 1 0}, perfect

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

2-2.54.5-5

2 10

1.8 Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Cinnabar and Augelite Chemical Formula

While comparing Cinnabar and Augelite 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 Augelite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Cinnabar and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Augelite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.70-2.75 whereas that of Augelite is 2.70-2.75.