Solid Zinc Polished Density Cube 10mm

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: 7.14g Sample Purity: 99.995% Surface: Mirror Finish Each Zinc cube is solid and of high purity of 99.995%, 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. Zinc is a chemical element with the symbol Zn and atomic number 30. Here are some interesting facts: It was discovered by Indian metallurgists (before 1000 BCE). It is bluish-white, lustrous, diamagnetic metal. It is slightly brittle at room temperature. It is essential in the biological process of all living organisms. Up to 4 grams are distributed throughout the human body. It is the second most abundant trace metal in humans after iron. It has a low melting point (419.53 °C) and boiling point (907 °C). It is most