Tanzanite and Cinnabar Physical Properties

Tanzanite

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

Hard

Not Available

1.4 Specific Gravity

3.352

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Perfect {010}, imperfect {100}

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

6.5-72-2.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Tanzanite and Cinnabar Chemical Formula

While comparing Tanzanite 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 Tanzanite and Cinnabar chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tanzanite and Cinnabar Specific Gravity

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