Opal Ethiopia and Willemite Physical Properties

Opal Ethiopia

Willemite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.4 Durability

Not Available

1.6 Specific Gravity

Not Available3.89-4.18

1 7.18

1.9 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.11 Cleavage

Not Available

{0001}, {11 2 0} imperfect

1.13 Mohs Hardness

5.5-6.55.5

2 10

1.15 Chemical Composition

Not Available

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

Opal Ethiopia and Willemite Chemical Formula

While comparing Opal Ethiopia 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 Opal Ethiopia and Willemite chemical formula.

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

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Opal Ethiopia and Willemite Specific Gravity

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