Pollucite Concentrate
Search documents
High Recovery Caesium Concentrate Produced from Latest Metallurgical Testwork at Shaakichiuwaanaan
Prnewswireยท 2025-10-08 21:55
Core Insights - The initial testwork indicates a viable pathway for producing valuable caesium as a by-product alongside lithium and tantalum from the CV13 Pegmatite [1][4][12] Summary by Sections Testwork Results - Marketable commercial grade pollucite concentrate has been produced from the Vega Caesium Zone at the CV13 Pegmatite, achieving 11.9% Cs2O at an 88% global recovery rate [2][4][8] - The XRT ore sorting method used is a conventional, dry, mechanical process that does not produce tailings, only coarse reject material [2][6][12] Mineral Resource Estimates - The Rigel and Vega Zones at the CV13 Deposit are the largest known pollucite-hosted caesium pegmatite mineral resources globally, with indicated resources of 693,000 tonnes at 4.40% Cs2O and inferred resources of 1,698,000 tonnes at 2.40% Cs2O [2][12][17] - The overall Shaakichiuwaanaan Mineral Resource includes 108.0 million tonnes at 1.40% Li2O and 0.11% Cs2O, with a cut-off grade of 0.40% Li2O for open-pit mining [7][23] Future Plans - A follow-up testwork program is planned to optimize the XRT circuit for pollucite recovery and to recover spodumene and tantalite from reject material [4][14] - The company is evaluating options to advance the caesium opportunity as a potential future by-product value stream and is engaging with potential end-users [14][15] Market Context - Caesium mineral deposits are rare, with only three primary caesium mines historically operating, indicating a significant supply constraint in the market [16][19] - Caesium carbonate currently trades at approximately US$155/kg, highlighting the economic potential of the caesium discovery at Shaakichiuwaanaan [19]