Cinnabar and Antigorite Physical Properties

Cinnabar

Antigorite

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Physical Properties

Tenacity

Slightly sectile

Solubility

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

Durability

Specific Gravity

22.58-2.80

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

Prismatic {10 1 0}, perfect

{001} Good

Mohs Hardness

2-2.55-5.5

2 10

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Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Cinnabar and Antigorite Chemical Formula

While comparing Cinnabar and Antigorite 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 Antigorite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

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Cinnabar and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cinnabar and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.