Chrome Pyrope and Cinnabar Physical Properties

Chrome Pyrope

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

3.62-3.802

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

None

Prismatic {10 1 0}, perfect

Mohs Hardness

7-7.52-2.5

2 10

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Chemical Composition

Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

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

Chrome Pyrope and Cinnabar Chemical Formula

While comparing Chrome Pyrope 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 Chrome Pyrope and Cinnabar chemical formula.

Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chrome Pyrope and Cinnabar Specific Gravity

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