Cinnabar and Lazurite Physical Properties

Cinnabar

Lazurite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Brittle

1.2 Solubility

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

22.75

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Prismatic {10 1 0}, perfect

Imperfect on {110}

1.7 Mohs Hardness

2-2.55.5

2 10

1.8 Chemical Composition

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

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Cinnabar and Lazurite Chemical Formula

While comparing Cinnabar and Lazurite 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 Lazurite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

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Cinnabar and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.75 whereas that of Lazurite is 2.75.