A part engraved jewel has also been found in the vicinity. Such activities would have needed skilled, not slave labour. No workshops or furnaces have yet been found, but it is likely that both existed on site. Ingots of gold would have been easier to transport than dust or nuggets, although a high-temperature refractory furnace will have been needed to melt the gold, which has a melting point of . Pliny mentions such special furnaces in his Naturalis Historia. A workshop will have been vital for building and maintaining mining equipment such as the drainage wheels, flumes for washing tables, shuttering for aqueducts, crushing equipment and pit-props. Official mints would have produced gold coins, a key component of Roman currency. After the military occupation the mine may have been taken over by Romano-British civilian contractors some time after 125, although the final history of the site has yet to be determined.