Cinnabar and Natrolite Physical Properties

Cinnabar

Natrolite

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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

22.20-2.26

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

Prismatic {10 1 0}, perfect

Perfect on {110}

1.7 Mohs Hardness

2-2.55-5.5

2 10

1.8 Chemical Composition

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

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cinnabar and Natrolite Chemical Formula

While comparing Cinnabar and Natrolite 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 Natrolite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cinnabar and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.