🪙⚖️👑

#trial of the pyx #royal mint #assaying #testing #numismatics #UK ceremony #weights and measures

🦴🥣Au

#cupel #bone ash #historical metallurgy #cupellation #assaying #precious metal analysis #au

🔎🪨✨

#ore inspection #finding gold #mineralogy #rockhounding #assaying

🧱🔥🥣🥇

#fire assay #cupellation #gold refining #muffle furnace #assaying #ore processing

🧪🔥🥣✨

#assaying #lab analysis #cupellation #precious metals testing #fire assay #chemical testing #metallurgy lab