Willemite and Glaucophane Physical Properties

Willemite

Glaucophane

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.89-4.183-3.15

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{0001}, {11 2 0} imperfect

Good on [110] and on [001]

1.7 Mohs Hardness

5.56.0-6.5

2 10

1.8 Chemical Composition

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

[ ]Na2(Mg3Al2)Si8O22(OH)2

Willemite and Glaucophane Chemical Formula

While comparing Willemite and Glaucophane 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 Willemite and Glaucophane chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Willemite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Willemite is 3-3.15 whereas that of Glaucophane is 3-3.15.