Many minerals and gemstones have been named after the individuals name. For instance, Hiddenite (W.E. Hidden), Kunzite (George Frederic Kunz), Morganite (J.P. Morgan) and Zoisite (Sigmund Zois). These are just a few of them.
Prehnite is also one of the gemstones named after the individual who discovered the stones. The discoverer is a Dutch mineralogist as well as an early governor of the Cape of Good Hope colony.
Prehnite is in fact a hydrated calcium aluminum silicate that found in a soft yellow-green to apple-green hues. Many of the Prehnite specimens are with fascinating luminous quality.
Check out this gorgeous prehnite ring