Smoky Quartz and Cinnabar Physical Properties

Smoky Quartz

Cinnabar

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1 Physical Properties

1.1 Tenacity

Brittle

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

2.652

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{0110} Indistinct

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

72-2.5

2 10

1.8 Chemical Composition

SiO₂

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

Smoky Quartz and Cinnabar Chemical Formula

While comparing Smoky Quartz 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 Smoky Quartz and Cinnabar chemical formula.

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

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Smoky Quartz and Cinnabar Specific Gravity

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