Solid Silicon Polished Density Cube 10mm - 2.33g

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: 2.33g  Sample Purity: 99.9999% Monocrystalline Surface: Mirror Finish Each Silicon cube is solid and of high purity of 99.9999%, 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. Silicon is a chemical element with the symbol Si and atomic number 14. Here are some interesting facts: It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor. It was discovered and first isolated by Jöns Jacob Berzelius in 1823. Its melting and boiling points of 1414 °C and 3265 °C, respectively, are the second highest among all the metalloids and nonmetals, being surpassed only by boron. It is the second most abundant element in the Earth's crust (about 28% by mass), after oxygen.  The base material for silicon-based discrete components and integrated circuits is used in virtually all modern electronic equipment. Due to its semiconducting properties, single-crystal silicon is perhaps the most important technological material of the last few decades—the "silicon era". It serves as a photovoltaic, light-absorbing material in the manufacture of solar cells. The majority of silicon solar cells are fabricated from silicon wafers, which may be either single-crystalline or multi-crystalline. Single-crystalline wafers typically have better material parameters but are also more expensive.  Usually grown as a large cylindrical ingot producing circular or semi-square solar cells. The “World’s Roundest Object”, crafted by researchers at the Centre for Precision Optics to define the kilogram, was made out of a single crystal of silicon-28. 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.