Cinnabar and Astrophyllite Physical Properties

Cinnabar

Astrophyllite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Slightly sectile

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

Uneven

Prismatic {10 1 0}, perfect

2-2.5

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

3.2-3.4

Uneven

Perfect on [001] imperfect on [100]

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Cinnabar and Astrophyllite Chemical Formula

While comparing Cinnabar and Astrophyllite 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 Astrophyllite chemical formula.

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Cinnabar and Astrophyllite Specific Gravity

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