What you will receive: You will receive 5 chunks of 99% pure Silicon that equals 8oz as seen in pictures.

• Sweet Stocking stuffer, Christmas gift • Great chemistry gift •Amazing science gift • Teacher gift The Facts •Silicon (atomic number 14) this sample is ideal for element collectors on the cheap or those conducting experiments. •The crystal is a silvery- white metallic non-metal. •Single-crystal silicon is perhaps the most important technological material •Mono-Si also serves as photovoltaic, light-absorbing material in the manufacture of solar cells. •The crystalline structure of silicon forms a diamond cubic. •The mono-crystalline form is used in the semiconductor device fabrication • This is high quality yet cheap affordable Silicon crystals. Safety / Caution •Keep out of reach from children! •Do not ingest! Silicon dust generated from these chunks may be an irritant to the eyes and skin or the respiratory tract. Make sure to wear proper protective gear when handling.