Andradite Garnet and Cinnabar Physical Properties

Andradite Garnet

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

Not Available

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

1.3 Durability

Not Available

1.4 Specific Gravity

3.8-3.92

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

None

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

6.5-7.52-2.5

2 10

1.8 Chemical Composition

Ca₃Fe³⁺₂Si₃O₁₂

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

Andradite Garnet and Cinnabar Chemical Formula

While comparing Andradite Garnet 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 Andradite Garnet and Cinnabar chemical formula.

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Andradite Garnet and Cinnabar Specific Gravity

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