Rhodizite and Cinnabar Physical Properties

Rhodizite

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

3.34-3.442

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

8-8.52-2.5

2 10

1.8 Chemical Composition

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Rhodizite and Cinnabar Chemical Formula

While comparing Rhodizite 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 Rhodizite and Cinnabar chemical formula.

Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodizite and Cinnabar Specific Gravity

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