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1. mineraal Cu2O; 2. mineraali Cu2O sisaldav vasemaak, an oxide mineral composed of copper(I) oxide Cu2O and is a minor ore of copper
octahedral copper ore . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/octahedral%20copper%20ore/1/eng (19.06.2026)