Cinnabar and Chrome Pyrope Physical Properties

Cinnabar

Chrome Pyrope

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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

23.62-3.80

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

Prismatic {10 1 0}, perfect

None

Mohs Hardness

2-2.57-7.5

2 10

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Chemical Composition

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

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

Cinnabar and Chrome Pyrope Chemical Formula

While comparing Cinnabar and Chrome Pyrope 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 Chrome Pyrope chemical formula.

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

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Cinnabar and Chrome Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Chrome Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Chrome Pyrope Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.62-3.80 whereas that of Chrome Pyrope is 3.62-3.80.