Cobre Advances High Purity Quartz Potential at Perrinvale

Cobre Limited (ASX: CBE) has confirmed the viability of high-purity quartz (HPQ) production from its Perrinvale Project in Western Australia following successful beneficiation and thermal testing. The tests demonstrated that contaminants can be significantly reduced using standard metallurgical methods, resulting in upgraded silica content from 99.64% to an average of 99.907% SiO₂. Thermal Stability Index (TSI) and Cohesion Index (CI) results support its suitability as furnace feedstock. The project's HPQ has attracted interest from Malaysia-based silicon smelter GK Silika, which is currently conducting independent testing. Additionally, no Aboriginal heritage constraints were identified, allowing exploration to proceed. The company aims to refine its beneficiation process to potentially deliver two product streams: one for silicon smelting and another for ultra-high purity quartz applications. These developments position Cobre to advance towards a mineral resource estimate and tap into growing global demand for HPQ in clean energy and electronics sectors.

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