Cinnabar and Lazulite Physical Properties

Cinnabar

Lazulite

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Physical Properties

Tenacity

Slightly sectile

Solubility

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

Durability

Specific Gravity

23.04-3.17

1 7.18

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Fracture

Uneven

Cleavage

Prismatic {10 1 0}, perfect

{001} Indistinct, {???} Indistinct

Mohs Hardness

2-2.55.5

2 10

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Chemical Composition

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

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Cinnabar and Lazulite Chemical Formula

While comparing Cinnabar and Lazulite 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 Lazulite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Cinnabar and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.