Clinozoisite and Cinnabar Physical Properties

Clinozoisite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Brittle

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

3.21-3.382

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Perfect on {001}

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

6-72-2.5

2 10

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Clinozoisite and Cinnabar Chemical Formula

While comparing Clinozoisite 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 Clinozoisite and Cinnabar chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Clinozoisite and Cinnabar Specific Gravity

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