Cinnabar and Pyrope Almandine Physical Properties

Cinnabar

Pyrope Almandine

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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

23.62-4.20

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

1.6 Cleavage

Prismatic {10 1 0}, perfect

Not Available

1.7 Mohs Hardness

2-2.57-7.5

2 10

1.8 Chemical Composition

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

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Cinnabar and Pyrope Almandine Chemical Formula

While comparing Cinnabar and Pyrope Almandine 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 Pyrope Almandine chemical formula.

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

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Cinnabar and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.