Galena with Chalcopyrite

specimen number:
2063268

location:
Herja Mine, Maramures Co., Romania

description:
Fine combination piece from this now long closed locality, the specimen consists of a cluster of lustrous galena crystals hosting golden crystals of chalcopyrite to 2.5 cm in size. In great condition. This exhibits two different generations of galena crystallization, the first quite large cube octahedral crystals, the last generation flattened twinned crystal groupings of galena measuring to 2.5 cm in size. The specimen comes with a previous label from the collection of Ray DeMark and was collected in the later 1990s.

The Herja Mine, historically known as Kisbanya and located in the Maramures County of Romania, is a legendary underground mining district with operations dating back to medieval times and expanding heavily through the 19th and 20th centuries. Geologically, the deposit is situated within the Neogene volcanic arc of the Inner Carpathians, featuring complex hydrothermal vein systems hosted in volcanic and sedimentary rocks driven by extensive magmatic activity. Mineralogically, Herja is world-famous among collectors and museums for producing some of the finest epithermal ore specimens ever found, most notably brilliant, razor-sharp crystals of stibnite, berthierite, quartz, and various sulfides that display exceptional crystal size and metallic luster.

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