Prasiolite and Willemite Physical Properties

Prasiolite

Willemite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.89-4.18

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

3,1

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

75.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Willemite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Willemite chemical formula.

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

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Prasiolite and Willemite Specific Gravity

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