Cinnabar and Clinozoisite Physical Properties

Cinnabar

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Brittle

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

23.21-3.38

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Irregular/uneven, Uneven

1.6 Cleavage

Prismatic {10 1 0}, perfect

Perfect on {001}

1.7 Mohs Hardness

2-2.56-7

2 10

1.8 Chemical Composition

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

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

Cinnabar and Clinozoisite Chemical Formula

While comparing Cinnabar and Clinozoisite 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 Clinozoisite chemical formula.

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

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Cinnabar and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.