copper

noun 0.818

cupric oxide

noun 0.706

cuprite

noun 0.705

copper sulfate

noun 0.690

chalcopyrite

noun 0.684

copperas

noun 0.668

cuprous oxide

noun 0.660

ore

noun 0.658

cupronickel

noun 0.653

cupreous

noun 0.645

copperware

noun 0.644

copper acetate

noun 0.622

chalcocite

noun 0.617

coppering

noun 0.598

chrysocolla

noun 0.582

copper phthalocyanine

noun 0.578

copperplate

noun 0.574

mineral

noun 0.569

malachite

noun 0.568

coper

noun 0.567

coppersmith

noun 0.562

bauxite

noun 0.560

bornite

noun 0.560

copperhead

noun 0.558

base metal

noun 0.557

cassiterite

noun 0.554

azurite

noun 0.552

covellite

noun 0.552

ochre

noun 0.549

cobalt

noun 0.547

mines and minerals

noun 0.546

iron sulphide

noun 0.545

cobaltite

noun 0.544

chromite

noun 0.543

gold mine

noun 0.537

phosphor bronze

noun 0.537

iron

noun 0.537

coal

noun 0.535

pyrite

noun 0.531

mineral coal

noun 0.530

ceruloplasmin

noun 0.530

bog iron

noun 0.525

cotton

noun 0.524

coking coal

noun 0.524

galena

noun 0.524

olivine

noun 0.523

iron oxide

noun 0.523

molybdenum

noun 0.523

mining

noun 0.523

crude oil

noun 0.522

cerussite

noun 0.522

columbite

noun 0.518

uranium

noun 0.517

limonite

noun 0.517

coal oil

noun 0.517

tetrahedrite

noun 0.516

hemocyanin

noun 0.516

sphalerite

noun 0.515

nickel

noun 0.514

zinc

noun 0.513

brass

noun 0.513

bronze

noun 0.512

metal

noun 0.512

rose gold

noun 0.511

orichalcum

noun 0.510

metallic

noun 0.510

cocoa bean

noun 0.508

rhodochrosite

noun 0.507

ore dressing

noun 0.506

gold

noun 0.503

precious metal

noun 0.503

pyrolusite

noun 0.503

ferrous oxide

noun 0.502

manganese

noun 0.501

hematite

noun 0.500

cork

noun 0.500