Pectolite, Stevensite, Prehnite, Calcite, Chalcopyrite
Source:
Boston Mineral Club
Object number: 2019.3.2381
Descriptionwhite pectolite fans to 4cm in radius, altering to pink stevensite on a matrix of green prehnite, pink calate (some crystals) and brassy chalcopyrite, possibly with babingtonite on traprock