×

Ruby
Ruby

Cinnabar
Cinnabar



ADD
Compare
X
Ruby
X
Cinnabar

Ruby and Cinnabar Physical Properties

Add ⊕

Physical Properties

Tenacity

Brittle
Slightly sectile

Solubility

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

Durability

-
-

Specific Gravity

3.97-4.052
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

No true cleavage
Prismatic {10 1 0}, perfect

Mohs Hardness

92-2.5
2 10
👆🏻

Chemical Composition

Al 2 O 3
HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Cinnabar Chemical Formula

While comparing Ruby 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 Ruby and Cinnabar chemical formula.

  • Chemical formula of Ruby- Al 2 O 3
  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Cinnabar Specific Gravity

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