Friedelite and Cinnabar Physical Properties

Friedelite

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

3.06-3.192

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{010} Perfect

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

4-52-2.5

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Cinnabar Chemical Formula

While comparing Friedelite 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 Friedelite and Cinnabar chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Friedelite and Cinnabar Specific Gravity

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