Willemite and Falcons Eye Physical Properties

Willemite

Falcons Eye

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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

3.89-4.182.58-2.64

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

Gemstones of the world (2001)

1.6 Cleavage

{0001}, {11 2 0} imperfect

Not Available

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 2Walter Schumann , Gemstones of the world (2001)

Willemite and Falcons Eye Chemical Formula

While comparing Willemite and Falcons Eye 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 Falcons Eye chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)

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Willemite and Falcons Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Falcons Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Falcons Eye Optical Properties during the identification of gemstone. Specific gravity of Willemite is 2.58-2.64 whereas that of Falcons Eye is 2.58-2.64.