Rock Identifier

Category

Mineral (Refined Metal)

Browse mineral (refined metal) specimens identified by the Rock Identifier community.

Learn about Mineral (Refined Metal) in the encyclopedia

Cassiterite

Sperrylite

Brookite

Pyrite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Blue Celestite (Celestine) Cluster (Strontium sulfate (SrSO4)) — mineral

Blue Celestite (Celestine) Cluster

Strontium sulfate (SrSO4)

Green Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride - CaF2)

Weathered iron-rich sandstone or ironstone (Ferruginous sandstone, likely limonite/goethite-cemented quartz arenite) — sedimentary

Weathered iron-rich sandstone or ironstone

Ferruginous sandstone, likely limonite/goethite-cemented quartz arenite

Moqui Marble (Shaman Stone) (Ironstone Concretion (Fe2O3 - Hematite/Goethite shell with Sandstone core)) — sedimentary

Moqui Marble (Shaman Stone)

Ironstone Concretion (Fe2O3 - Hematite/Goethite shell with Sandstone core)

Mica Schist (Mica Schist (Complex Silicate Rock)) — metamorphic

Mica Schist

Mica Schist (Complex Silicate Rock)

Mica Schist (Metamorphic Rock (rich in Muscovite or Biotite mica)) — metamorphic

Mica Schist

Metamorphic Rock (rich in Muscovite or Biotite mica)

Schist (Schist (primarily mica-schist)) — metamorphic

Schist

Schist (primarily mica-schist)

Schist (Mica Schist (predominantly Muscovite/Biotite)) — metamorphic

Schist

Mica Schist (predominantly Muscovite/Biotite)

Weathered granite or granitic gneiss pebble (Granite; chiefly quartz, feldspar, and mica) — igneous

Weathered granite or granitic gneiss pebble

Granite; chiefly quartz, feldspar, and mica

Basalt Outcropping (Aphanitic Mafic Igneous Rock) — igneous

Basalt Outcropping

Aphanitic Mafic Igneous Rock

Basalt (Mafic Volcanic Rock (composed of Plagioclase Feldspar and Pyroxene)) — igneous

Basalt

Mafic Volcanic Rock (composed of Plagioclase Feldspar and Pyroxene)

Lapis Lazuli (Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Mica-rich Sandstone or Micaceous Schist Weathering (Micaceous Schist (Muscovite-Quartz composition)) — Metamorphic or Sedimentary depending on local grade

Mica-rich Sandstone or Micaceous Schist Weathering

Micaceous Schist (Muscovite-Quartz composition)

Metamorphic or Sedimentary depending on local grade

Mica Schist (Mica Schist (Main mineral constituents: Muscovite/Biotite, Quartz, Feldspar)) — metamorphic

Mica Schist

Mica Schist (Main mineral constituents: Muscovite/Biotite, Quartz, Feldspar)

Weathered iron-rich rock, possibly laterite or limonite-bearing sandstone (Laterite/limonite-rich material; commonly dominated by goethite (FeO(OH)) and hydrated iron oxides) — sedimentary

Weathered iron-rich rock, possibly laterite or limonite-bearing sandstone

Laterite/limonite-rich material; commonly dominated by goethite (FeO(OH)) and hydrated iron oxides

Ironstone / limonite-rich concretion (Hydrated iron oxides, chiefly limonite/goethite (FeO(OH)·nH₂O), possibly with hematite) — mineral

Ironstone / limonite-rich concretion

Hydrated iron oxides, chiefly limonite/goethite (FeO(OH)·nH₂O), possibly with hematite

Magnetite-rich ironstone (probable magnetite ore) (Magnetite, Fe₃O₄, likely in a fine-grained ironstone matrix) — mineral

Magnetite-rich ironstone (probable magnetite ore)

Magnetite, Fe₃O₄, likely in a fine-grained ironstone matrix

Polished hematite-rich ironstone (Hematite (Fe₂O₃), likely mixed with magnetite and iron-rich jasper) — mineral

Polished hematite-rich ironstone

Hematite (Fe₂O₃), likely mixed with magnetite and iron-rich jasper

Pyrite (likely) (Iron disulfide, FeS₂; commonly called fool’s gold) — mineral

Pyrite (likely)

Iron disulfide, FeS₂; commonly called fool’s gold

Silver-bearing galena ore (Galena (PbS), likely in a quartz/carbonate-rich matrix with possible sulfide minerals) — mineral

Silver-bearing galena ore

Galena (PbS), likely in a quartz/carbonate-rich matrix with possible sulfide minerals

Gold Nugget (Gold (Au)) — mineral

Gold Nugget

Gold (Au)

Hematite Nodule / Concretion (Hematite (Fe2O3)) — mineral

Hematite Nodule / Concretion

Hematite (Fe2O3)

Gold Nugget (Gold (Au)) — mineral

Gold Nugget

Gold (Au)

Pyrite (Iron Pyrite (FeS2)) — mineral

Pyrite

Iron Pyrite (FeS2)

Iron sulfide-rich ore, possibly pyrite-bearing gossan (Likely pyrite (FeS₂) with iron oxides/hydroxides and host rock; exact identification requires testing) — mineral

Iron sulfide-rich ore, possibly pyrite-bearing gossan

Likely pyrite (FeS₂) with iron oxides/hydroxides and host rock; exact identification requires testing

Likely metallic mineral specimen (Probably galena (lead sulfide, PbS), though visual identification is uncertain) — mineral

Likely metallic mineral specimen

Probably galena (lead sulfide, PbS), though visual identification is uncertain

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Barite (Barium Sulfate (BaSO4)) — mineral

Barite

Barium Sulfate (BaSO4)

Barite (Barium Sulfate (BaSO4)) — mineral

Barite

Barium Sulfate (BaSO4)

Barite (Barium Sulfate (BaSO4)) — mineral

Barite

Barium Sulfate (BaSO4)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Arsenopyrite with Quartz (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite with Quartz

Arsenopyrite (FeAsS)

Black Tourmaline in Quartz Matrix (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) with Quartz (SiO2)) — mineral

Black Tourmaline in Quartz Matrix

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) with Quartz (SiO2)

Titanium Quartz (Rough) (Titanium-included Silicon Dioxide (SiO2 + Ti)) — mineral

Titanium Quartz (Rough)

Titanium-included Silicon Dioxide (SiO2 + Ti)

Hematite (Iron Ore) (Hematite (Fe2O3)) — mineral

Hematite (Iron Ore)

Hematite (Fe2O3)

Limonite (after Pyrite Pseudomorph) (Limonite (Hydrated Iron Oxide Mixture, FeO(OH)·nH2O)) — mineral

Limonite (after Pyrite Pseudomorph)

Limonite (Hydrated Iron Oxide Mixture, FeO(OH)·nH2O)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Yellow Aventurine (Quartz (SiO2) with iron-bearing inclusions) — mineral

Yellow Aventurine

Quartz (SiO2) with iron-bearing inclusions

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Black Tourmaline (Schorl) (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline (Schorl)

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Mica Schist (Muscovite/Biotite Schist) — metamorphic

Mica Schist

Muscovite/Biotite Schist