New: ironoresAll contenthive-129948krhive-196917zzanhive-183959hive-185836steemhive-180932hive-150122photographyhive-101145hive-183397hive-144064uncommonlabhive-184714hive-188619krsuccesshive-145157hive-193637bitcoinhive-103599hive-193186hive-180301hive-179660hive-180106TrendingNewHotLikerso9c4com (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…