Cinnabar and Smoky Quartz Physical Properties

Cinnabar

Smoky Quartz

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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

22.65

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Prismatic {10 1 0}, perfect

{0110} Indistinct

1.7 Mohs Hardness

2-2.57

2 10

1.8 Chemical Composition

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

SiO₂

Cinnabar and Smoky Quartz Chemical Formula

While comparing Cinnabar and Smoky Quartz 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 Smoky Quartz chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Smoky Quartz- SiO₂

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Cinnabar and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.65 whereas that of Smoky Quartz is 2.65.