Plumbogummite and Cinnabar Physical Properties

Plumbogummite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Brittle

Slightly sectile

1.2 Solubility

Soluble

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

4.0142

1 7.18

1.5 Fracture

Uneven, Conchoidal

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

None

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

4-52-2.5

2 10

1.8 Chemical Composition

Not Available

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

Plumbogummite and Cinnabar Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Cinnabar chemical formula.

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

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Plumbogummite and Cinnabar Specific Gravity

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