Material: Tungsten metal. Purity:99.95% not alloy; Diameter:1.5 inch(38.1mm+/-0.1mm); Thickness:3.5mm(+/-0.1mm); Surface quality: two sides and cylinder fine ground. On the face side: carved Carl Wilhelm Scheele, the discoverer's picture, atomic number, standard atomic weight, density, melting point, boiling point and net weight. On the back side: carved electron configuration per shell, Carl Wilhelm Scheele' name and the year of discovery. The coin can apply not only to element collection, but also to education, gift and so on. Please visit our store if you are interested in more element coins marked discoverer's picture. Thank you.
D**Y
love my coin - heavy
love my coin - heavy
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2 weeks ago
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