Strontianite and Cinnabar Physical Properties

Strontianite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

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

3.63-3.792

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{110} Good

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

3.52-2.5

2 10

1.8 Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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

Strontianite and Cinnabar Chemical Formula

While comparing Strontianite 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 Strontianite and Cinnabar chemical formula.

Chemical formula of Strontianite- SrCO 3Walter 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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Strontianite and Cinnabar Specific Gravity

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