Zinc - Highly Polished Density Cube 10x10x10mm

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. Size: 10x10x10mm Weight: 7.14g  Sample Purity: 99.995% Surface: Mirror Finish *Each cube comes with an InvisiDisplay™ Case. Interesting facts about Zinc 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 commonly used as an anti-corrosion agent and galvanization (coating of iron or steel). The U.S. penny is 98% zinc, with a copper coating. Polar Metals seeks to spice up your life with interesting and unus