Avogadro's Tie Bar Metal Type:Aluminum Modeled in a classic two-tone

Modeled in a classic two-tone finish of lead-free

as it generates most of the cell's energy and controls the cell cycle

including physicists

Deep thinkers of all kinds

The pendant is hand-stamped in bronze or sterling silver and shaped into a gentle dome

Avogadro's Tie Bar Metal Type:Aluminum Modeled in a classic two-toneAvogadro's constant: "the number of elementary entities per mole of substance". It's a big number which is to say, there's a lot of stuff in the universe. Wear a piece of it with this hand stamped tie bar. Available in aluminum or bronze, it is sturdy enough to last a lifetime. (Note that hand stamped lettering varies a little, so yours will be charmingly unique.) Perfect for: Chemists of all types Molecular biologists Science teachers Mole Day