High purity silica added to Quebec critical material https://www.newswire.ca/fr/news-releases/plan-quebecois-pour-la-valorisation-des-mineraux-critiques-et-strategiques-2020-2025-quebec-devoile-son-deuxieme-plan-d-action-pour-developper-sa-filiere-des-mineraux-critiques-et-strategiques-mcs-et-l-est-du-quebec-pourrait-en-beneficier-850177933.html