Anthophyllite and Cinnabar Physical Properties

Anthophyllite

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

2.9-3.5

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

5.5-6

2-2.5

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Anthophyllite and Cinnabar Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Cinnabar chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Anthophyllite and Cinnabar Specific Gravity

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