Eosphorite and Cinnabar Physical Properties

Eosphorite

Cinnabar

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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

3.05-3.082

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal

Uneven

Cleavage

Poor on {100}

Prismatic {10 1 0}, perfect

Mohs Hardness

52-2.5

2 10

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Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Eosphorite and Cinnabar Chemical Formula

While comparing Eosphorite 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 Eosphorite and Cinnabar chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Eosphorite and Cinnabar Specific Gravity

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