Beautiful Quartz cluster on matrix from Boldut Mine, Cavnic, Maramureș County, Romania. Beautiful, well-formed quartz cluster sparkling on matrix from the legendary Boldut Mine, Cavnic, Maramureș County, Romania. The transparent crystals show classic prismatic habit with sharp terminations, emerging dramatically from the contrasting host rock. Boldut Mine (closed 2008) produced some of the finest European quartz specimens during its active years, prized for clarity and aesthetic balance. This piece captures the mine's signature quality. An essential addition for collectors of historic Romanian quartz and classic European localities. The Boldut Mine in Maramureș County, Romania has not been operating since 2008, when all mines in the area were closed, the adits were sealed, and external infrastructure was demolished or is in the process of demolition.