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üks peamistest rauamineraalidest - nFe2O3 . mH2O, one of the major iron minerals, hydrated ferritic oxide FeO(OH) . nH2O in which the ratio of oxide and hydroxide can vary quite widely
pruun hematiit . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/pruun%20hematiit/1/est (20.06.2026)
