Willemite and Amazonite Physical Properties

Willemite

Amazonite

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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

3.89-4.18

2.55-2.57

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{0001}, {11 2 0} imperfect

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

5.5

6-6.5

1.8 Chemical Composition

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

KAlSi₃O₈

Willemite and Amazonite Chemical Formula

While comparing Willemite and Amazonite 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 Amazonite chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Amazonite- KAlSi₃O₈

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Willemite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Willemite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.