Pyrrhotite and Cinnabar Physical Properties

Pyrrhotite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

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

4.58-4.652

1 7.18

1.5 Fracture

Uneven

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Absent

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

3.5-4.52-2.5

2 10

1.8 Chemical Composition

Not Available

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

Pyrrhotite and Cinnabar Chemical Formula

While comparing Pyrrhotite 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 Pyrrhotite and Cinnabar chemical formula.

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

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Pyrrhotite and Cinnabar Specific Gravity

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