Watermelon Tourmaline and Cinnabar Physical Properties

Watermelon Tourmaline

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

Not Available

1.4 Specific Gravity

2.90-3.402

1 7.18

1.5 Fracture

Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

7-7.52-2.5

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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

Watermelon Tourmaline and Cinnabar Chemical Formula

While comparing Watermelon Tourmaline 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 Watermelon Tourmaline and Cinnabar chemical formula.

Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Watermelon Tourmaline and Cinnabar Specific Gravity

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