-- Resolution Minerals (ASX:RML) said metallurgy test work is progressing on antimony-bearing stibnite veins at the Antimony Ridge project in Idaho, and an intermediate antimony trioxide product was produced from large samples of stibnite by Kingston Process Metallurgy, according to a Tuesday Australian bourse filing.
The product was made using the conventional pyrometallurgical process of volatilization, and it had a 99.38% antimony trioxide content by weight. Further refining pyrometallurgical test work is underway.
Its shares jumped 6% in recent trading on Tuesday.