Solid Copper Polished Density Cube 10mm - 8.9g

Elemental metallic 1 cm elemental cubes These highly polished cubes are great educational tools Story Each cube is highly polished by hand and laser engraved with its periodic info. Size: 10x10x10mm Weight: 8.96g Sample Purity: 99.95% Surface: Mirror Finish Each Copper cube is solid and of high purity of 99.95%, 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. Copper is a chemical element with the symbol Cu and atomic number 29. Here are some interesting facts: It is soft, malleable, and ductile. It has high electrical conductivity (59.6×106 S/m). It has the second-highest thermal conductivity (only after silver) among pure metals at room temperature. It’s Oligodynamic, which means it naturally kills germs on contact. The adult body contains between 1.4 and 2.1 mg of copper per kilogram of body weight. Along with gold, it is the only non-greyish pure metal. It takes on its own unique hue (patina) over time and can be “reset” to brilliancy with baking soda and water (or salt and vinegar). 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.