Lithium is the third lightest element with the atomic number of 3. It is an alkaline metal that is silver in color but turns a silvery gray when exposed to the air.
There simply are not enough rings out there that are made to appeal to chemists. This is part of a series of rings dedicated to scientists-- who are every bit as fashionable as the rest of us.
This is a size 9. It is an 1 1/8" tall by about 1/2" in diameter. It is made of sterling silver, brass, and has a hematite cab on top. The brass "electrons" spin freely.