Cinnabar and Sphalerite Physical Properties

Cinnabar

Sphalerite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Not Available

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

23.95-4.10

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

Prismatic {10 1 0}, perfect

{110} Perfect, {110} Perfect, {110} Perfect

1.7 Mohs Hardness

2-2.53.5-4

2 10

1.8 Chemical Composition

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

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cinnabar and Sphalerite Chemical Formula

While comparing Cinnabar and Sphalerite 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 Sphalerite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cinnabar and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.