Cinnabar and Precious Opal Physical Properties

Cinnabar

Precious Opal

Add ⊕

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

21.98-2.25

1 7.18

👆🏻

Fracture

Uneven

Conchoidal

Cleavage

Prismatic {10 1 0}, perfect

None

Mohs Hardness

2-2.55-6.5

2 10

👆🏻

Chemical Composition

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

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Cinnabar and Precious Opal Chemical Formula

While comparing Cinnabar and Precious Opal 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 Precious Opal chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare Red Gemstones

Cinnabar Vs Franklinite

Cinnabar Vs Friedelite

Cinnabar Vs Hexagonite

Cinnabar and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.