Cinnabar and Turquoise Physical Properties

Cinnabar

Turquoise

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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)

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

22.30-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Prismatic {10 1 0}, perfect

Good to perfect_usually N/A

1.7 Mohs Hardness

2-2.55-6

2 10

1.8 Chemical Composition

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

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Cinnabar and Turquoise Chemical Formula

While comparing Cinnabar and Turquoise 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 Turquoise chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Cinnabar and Turquoise Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.