Blue John and Cinnabar Physical Properties

Blue John

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

Not Available

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

3.00-3.252

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

Not Available2-2.5

2 10

1.8 Chemical Composition

CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Blue John and Cinnabar Chemical Formula

While comparing Blue John 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 Blue John and Cinnabar chemical formula.

Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Blue John Vs Chrome-Chalcedony

Blue John Vs Ceylonite

Blue John Vs Catapleiite

Blue John and Cinnabar Specific Gravity

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