This analcime is from Kings Valley in Benton County, Oregon, USA. Several species of minerals are present at this locale including analcime which is much sort after by collectors. It is a silicate in the Zeolite Group of minerals. It contains the elements Na, Al, Si, H and O.This piece consists of a primary crystal with several smaller crystals at the base. It is translucent under bright light and it has a vitreous luster. This piece measures 1 5/8 x 1 1/4 x 1 1/4 inches or 41 x 32 x 32 mm.