Willemite and Prasiolite Physical Properties

Willemite

Prasiolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.89-4.182.65

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{0001}, {11 2 0} imperfect

3,1

1.7 Mohs Hardness

5.57

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Willemite and Prasiolite Chemical Formula

While comparing Willemite and Prasiolite 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 Prasiolite chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Willemite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Willemite is 2.65 whereas that of Prasiolite is 2.65.