Wollastonite Mineral information data and localities Named in 1818 by J Léman in honor of William Hyde Wollaston August 6 1766 East Dereham Norfolk England United Kingdom December 22 1828 London England United Kingdom English chemist and mineralogist who discovered palladium 1804 and rhodium 1809 and invented the reflecting goniometer 1809 and the camera lucida 1812