Rhodolite and Cinnabar Physical Properties

Rhodolite

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

3.842

1 7.18

1.5 Fracture

Conchoidal

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

none, may show indistinct parting

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

7-7.52-2.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Cinnabar Chemical Formula

While comparing Rhodolite 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 Rhodolite and Cinnabar chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodolite and Cinnabar Specific Gravity

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