Harmotome twinned xls (old - classic Type Locality)

Item Description

A very rich old-time specimen, probably 100-200 years old now, that features classic glassy, twinned harmotome crystals from the historic Type Locality. It is a beautiful, rich, and important example of this rare zeolite species from the single most important historic locale for this species. The thin undulating crust is covered with translucent, lustrous crystals. Choice and classic old-time material from an East Coast collection. Seldom for sale, and one of the great old german classics only seen in books! Valued $750-900