Hematite and Cinnabar Physical Properties

Hematite

Cinnabar

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

5.00-5.302

1 7.18

👆🏻

Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Uneven

Cleavage

None, may show partings on {0001} and {10 1 1}

Prismatic {10 1 0}, perfect

Mohs Hardness

62-2.5

2 10

👆🏻

Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Hematite and Cinnabar Chemical Formula

While comparing Hematite 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 Hematite and Cinnabar chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Aries » More

Hematite Vs Bixbite

Hematite Vs Bloodstone

Hematite Vs Garnet

» More Compare Gems for Aries

Hematite and Cinnabar Specific Gravity

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