New: ironoresAll contenthive-129948hive-196917krhive-180932zzanhive-150122hive-185836steemhive-183959hive-166405hive-188619photographyhive-144064hive-145157hive-101145hive-183397uncommonlabhive-193637hive-184714hive-103599hive-139150hive-109690hive-180106bitcoinlifeTrendingNewHotLikerso9c4com (31)in manganese • 5 years agoManganese Ore WT.Social SubWikiA group blog by #O9C4COM | WORLD GROUPS COMMUNITY The most important manganese ore is pyrolusite (MnO2). Other economically important manganese ores usually show a close spatial relation to the…