Cinnabar and Pectolite Physical Properties

Cinnabar

Pectolite

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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

22.74-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

Prismatic {10 1 0}, perfect

Perfect on {100} and {001}

1.7 Mohs Hardness

2-2.54.5-5

2 10

1.8 Chemical Composition

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

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Cinnabar and Pectolite Chemical Formula

While comparing Cinnabar and Pectolite 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 Pectolite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Cinnabar and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.