Cinnabar and Dumortierite Physical Properties

Cinnabar

Dumortierite

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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

23.26-3.41

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

Prismatic {10 1 0}, perfect

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

2-2.57-8.5

2 10

1.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

Cinnabar and Dumortierite Chemical Formula

While comparing Cinnabar and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Cinnabar and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.