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Cinnabar
Cinnabar

Arfvedsonite
Arfvedsonite



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Cinnabar
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Arfvedsonite

Cinnabar and Arfvedsonite Physical Properties

Physical Properties

Tenacity

Slightly sectile
Brittle

Solubility

1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
-

Durability

-
-

Specific Gravity

23.3-3.5
1 7.18
👆🏻

Fracture

Uneven
Uneven

Cleavage

Prismatic {10 1 0}, perfect
Perfect on [110]

Mohs Hardness

2-2.55-6
2 10
👆🏻

Chemical Composition

HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
NaNa2(Fe++4Fe+++)Si8O22(OH)2

Cinnabar and Arfvedsonite Chemical Formula

While comparing Cinnabar and Arfvedsonite 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 Arfvedsonite chemical formula.

  • Chemical formula of Cinnabar- HgSMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2

Cinnabar and Arfvedsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Arfvedsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Arfvedsonite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.3-3.5 whereas that of Arfvedsonite is 3.3-3.5.