Cinnabar and Riebeckite Physical Properties

Cinnabar

Riebeckite

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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

23.28-3.44

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Uneven, Splintery, Brittle

1.6 Cleavage

Prismatic {10 1 0}, perfect

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

2-2.55.0-6.0

2 10

1.8 Chemical Composition

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

Not Available

Cinnabar and Riebeckite Chemical Formula

While comparing Cinnabar and Riebeckite 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 Riebeckite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cinnabar and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.