Cinnabar and Star Sapphire Physical Properties

Cinnabar

Star Sapphire

Add ⊕

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

23.90-4.05

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Not Available

1.6 Cleavage

Prismatic {10 1 0}, perfect

Not Available

1.7 Mohs Hardness

2-2.5Not Available

2 10

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Cinnabar and Star Sapphire Chemical Formula

While comparing Cinnabar and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Red Gemstones

Cinnabar Vs Cuprite

Cinnabar Vs Diamond

Cinnabar Vs Dravite

Cinnabar and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.