Realgar and Cinnabar Physical Properties

Realgar

Cinnabar

Add ⊕

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

3.562

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{010} Good

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

Not Available2-2.5

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Realgar and Cinnabar Chemical Formula

While comparing Realgar 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 Realgar and Cinnabar chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Realgar Vs Sarcopside

Realgar Vs Ruby

Realgar Vs Rutile

Realgar and Cinnabar Specific Gravity

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