goethite

noun 0.669

pyrolusite

noun 0.593

limonite

noun 0.591

ferrihydrite

noun 0.573

arsenopyrite

noun 0.571

iron oxide

noun 0.561

siderite

noun 0.550

brookite

noun 0.549

hematite

noun 0.542

alunite

noun 0.538

bronzite

noun 0.536

zoisite

noun 0.533

greigite

noun 0.531

arkose

noun 0.530

maghemite

noun 0.526

pyromorphite

noun 0.524

ferrous oxide

noun 0.523

iron meteorite

noun 0.523

pyrrhotite

noun 0.522

anatase

noun 0.522

iron sulphide

noun 0.521

chloritoid

noun 0.520

smithsonite

noun 0.518

ringwoodite

noun 0.515

ankerite

noun 0.512

ferric oxide

noun 0.511

antimonite

noun 0.511

bog iron

noun 0.508

pyrite

noun 0.507

gibbsite

noun 0.506

rhodochrosite

noun 0.506

boehmite

noun 0.504

ochre

noun 0.503

manganite

noun 0.503

cobaltite

noun 0.502

anthophyllite

noun 0.501

orthosilicate

noun 0.500

magnetite

noun 0.500

anglesite

noun 0.500