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Solid Magnesium Polished Density Cube 10mm - 1.74g

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Elemental metallic 1 cm elemental cubes

These highly polished cubes are great educational tools


Each Magnesium cube is solid and of high purity of 99.9%, highly polished by hand for many hours to reach a mirror finish, and laser engraved with its periodic info. This is an heirloom piece that will last forever. 

Magnesium is a chemical element with the symbol Mg and atomic number 12. Here are some interesting facts:

  • It is only 1/10 the density of our Tungsten sample.
  • It is the lightest metal used for engineering.
  • It is only 2/3 the density of Aluminum. The alloy of the two combines lightness and strength.
  • It is highly flammable when powdered or cut into thin strips.
  • We can't live without it! A building block for our bones and other biological processes.


  • Size: 10x10x10mm
  • Weight: 1.74g
  • Sample Purity: 99.9%
  • Surface: Mirror Finish

*Each cube comes with an InvisiDisplay™ Case.

Polar Metals seeks to spice up your life with interesting and unusual metals in unexpected ways. The elements on the periodic table are everywhere, in fact, they make up everything! So far, we have brought 29 Elements to you: Silver, Silicon, Germanium, Nickel, Chromium, Zinc, Niobium, Tantalum, Hafnium, Rhenium, Thulium, Lutetium, Scandium, Ruthenium, Platinum, Palladium, Gold, Iridium, Osmium, Titanium, Cobalt, Magnesium, Zirconium, Molybdenum, Copper, Aluminum, Carbon, Iron and Tungsten.

*Note: Please wear gloves when handling.

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