Charlesite and Cinnabar Physical Properties

Charlesite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Brittle

Slightly sectile

1.2 Solubility

Not Available

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

1.792

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {10bar10}

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

2.52-2.5

2 10

1.8 Chemical Composition

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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

Charlesite and Cinnabar Chemical Formula

While comparing Charlesite 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 Charlesite and Cinnabar chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Charlesite and Cinnabar Specific Gravity

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