chrysocolla

This term refers specifically to a mineral species. In a geological or gemological context, it is treated as a mass noun, describing the substance itself rather than individual stones. When referring to specific items made from the mineral, such as beads or cabochons, speakers typically use partitive constructions like "a piece of chrysocolla" or "a specimen of chrysocolla."

Because it is a technical mineralogical term, it is primarily used in scientific, lapidary, or jewelry-related registers. It lacks a casual or metaphorical equivalent, remaining strictly tied to its physical identity as a copper silicate.