Heulandite with Galena, Fluorite, et al. (RARE locality) (ex Chet Lemanski Collection)

Item Description

A rarely seen specimen from the Thomaston Dam railroad cut, in Connecticut featuring translucent, pale tan colored, pearly crystal groups of Heulandite measuring up to 9 mm associated with minor purple to greenish colored octahedral Fluorite with minor metallic, silvery colored crystals of Galena, plus bladed white Calcite and tiny golden Pyrite on matrix. This locality is probably best known for its zeolites (Stilbite and Heulandite) specimens, but you really don't see any of them in today's market as specimens haven't been available for decades. From the collection of Chester ("Chet") S. Lemanski Jr. of Browns Mills, New Jersey (https://www.mindat.org/user-461.html). Collection #2617CL. Chet was born 1947 in started collecting minerals circa 1957. He worked briefly as a drill runner at the famous Sterling Mine, in Ogdensburg, New Jersey and from 1987 to 1990 he helped convert the mine into a public access mining museum. He has held the role of treasurer, vice president and president of the Franklin-Ogdensburg Mineralogical Society (FOMS), and has been a board member and vice president of the Franklin Mineral Museum. The rare copper arsenate, Lemanskiite was named in his honor in 1999.