Shattuckite and Willemite Physical Properties

Shattuckite

Willemite

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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

3.80-4.153.89-4.18

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

perfect along [010] and [100]

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

3.5-45.5

2 10

1.8 Chemical Composition

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Shattuckite and Willemite Chemical Formula

While comparing Shattuckite and Willemite 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 Shattuckite and Willemite chemical formula.

Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Shattuckite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shattuckite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shattuckite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Shattuckite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.