Australian listed company Tivan (ASX: TVN) has successfully completed the "mini-pilot" program at the Speewah fluorspar project in Western Australia, producing a total of 195 kg of acid-grade fluorspar with a calcium fluoride content of 98.60%. The purity of the acid-grade fluorspar significantly exceeds the benchmark value of 97%, confirming that Speewah is capable of delivering a "premium" product suitable for hydrofluoric acid production.