The evolution of the creation of gemstones has created a revolution of guitar players changing from plastic to the highest quality gemstone picks. Our planet's creation of these gems has made beautiful gemstone that took millions of years to create. With nature giving us this much of a head start we will be enjoying gemstone guitar picks for centuries. Feel their firmness, feel your control, then allow the bevel on our gemstones to do the gliding across your strings. Our website explains so much more about gemstones and how to pick out the best one for you. All four shapes: Traditional, Jazz, Teardrop, and Triangle. Choose the shape you are currently using and compare the two. The tone will win out. The winner will be-....Gemstone Picks. Made in the USA.