Axinite and Cinnabar Physical Properties

Axinite

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

3.26-3.362

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Good on {100}

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

6.5-72-2.5

2 10

1.8 Chemical Composition

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Axinite and Cinnabar Chemical Formula

While comparing Axinite 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 Axinite and Cinnabar chemical formula.

Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Axinite and Cinnabar Specific Gravity

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