Cinnabar and Pyrope Garnet Physical Properties

Cinnabar

Pyrope Garnet

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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

23.5-3.6

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

Prismatic {10 1 0}, perfect

None

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

Mg₃Al₂Si₃O₁₂

Cinnabar and Pyrope Garnet Chemical Formula

While comparing Cinnabar and Pyrope Garnet 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 Garnet chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyrope Garnet- Mg₃Al₂Si₃O₁₂

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Cinnabar and Pyrope Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Pyrope Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Pyrope Garnet Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.5-3.6 whereas that of Pyrope Garnet is 3.5-3.6.