Prase Opal and Cinnabar Physical Properties

Prase Opal

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

1.98-2.252

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

5-6.52-2.5

2 10

1.13 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

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

Prase Opal and Cinnabar Chemical Formula

While comparing Prase Opal 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 Prase Opal and Cinnabar chemical formula.

Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Prase Opal Vs Sapphire

Prase Opal Vs Sard

Prase Opal Vs Sanidine

Prase Opal and Cinnabar Specific Gravity

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