Cinnabar and Falcons Eye Physical Properties

Cinnabar

Falcons Eye

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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

22.58-2.64

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Gemstones of the world (2001)

1.6 Cleavage

Prismatic {10 1 0}, perfect

Not Available

1.7 Mohs Hardness

2-2.57

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Cinnabar and Falcons Eye Chemical Formula

While comparing Cinnabar and Falcons Eye 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 Falcons Eye chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)

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Cinnabar and Falcons Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Falcons Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Falcons Eye Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.58-2.64 whereas that of Falcons Eye is 2.58-2.64.