Glaucophane and Cinnabar Physical Properties

Glaucophane

Cinnabar

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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

3-3.152

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

Good on [110] and on [001]

Prismatic {10 1 0}, perfect

Mohs Hardness

6.0-6.52-2.5

2 10

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Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Cinnabar Chemical Formula

While comparing Glaucophane 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 Glaucophane and Cinnabar chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Glaucophane and Cinnabar Specific Gravity

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