What you will receive
The silicon crystal 99.9% pure, glass vial necklace, A unique high quality necklace that is sure to impress.
•The necklace is made from a strong silk/velvet material with a easy to use adjustable clasp. As seen in pictures
•The length is 22 inches or 55.9cm, unisex.

• Sweet Stocking stuffer, Christmas gift
• Great chemistry gift
•Amazing science gift
The Facts
Silicon atomic number 14 is a chemical element

•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



Best offer is only for ordering multiples. 

Safety / Caution
Do not attempt to brake open to retrieve metal. I sell the same sample in vials for cheaper.
Shipping
• I offer free shipping to the USA
• International will be additional