Ajoite and Cinnabar Physical Properties

Ajoite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

Decomposed by acids

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

2.962

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {010}

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

52-2.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Cinnabar Chemical Formula

While comparing Ajoite 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 Ajoite and Cinnabar chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ajoite and Cinnabar Specific Gravity

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