Cinnabar and Norbergite Physical Properties

Cinnabar

Norbergite

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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

23.177

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Prismatic {10 1 0}, perfect

{???} Distinct

1.7 Mohs Hardness

2-2.56-6.5

2 10

1.8 Chemical Composition

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

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

Cinnabar and Norbergite Chemical Formula

While comparing Cinnabar and Norbergite 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 Norbergite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

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Cinnabar and Norbergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.177 whereas that of Norbergite is 3.177.