Rock Identifier

Category

Mineral, Metal (Element)

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

Learn about Mineral, Metal (Element) in the encyclopedia

Sulfur

Carbonatite

Cassiterite

Euxenite

Sperrylite

Brookite

Pyrite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Bauxite (Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))) — sedimentary

Bauxite

Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))

Cabochon gemstone ring, likely smoky quartz or tourmaline (Unconfirmed quartz (SiO₂) or brown tourmaline (dravite); visual identification is inconclusive) — gemstone

Cabochon gemstone ring, likely smoky quartz or tourmaline

Unconfirmed quartz (SiO₂) or brown tourmaline (dravite); visual identification is inconclusive

Small metallic mineral fragment (Unidentified metallic sulfide or native-metal fragment) — mineral

Small metallic mineral fragment

Unidentified metallic sulfide or native-metal fragment

Mixed gemstone jewelry collection (Likely amethyst, rose quartz or pink tourmaline, smoky quartz, and dark tourmaline/onyx; exact identifications are uncertain from the image) — gemstone

Mixed gemstone jewelry collection

Likely amethyst, rose quartz or pink tourmaline, smoky quartz, and dark tourmaline/onyx; exact identifications are uncertain from the image

Faceted orange gemstone stud (possibly citrine) (Unconfirmed; possibly quartz (SiO₂), variety citrine) — gemstone

Faceted orange gemstone stud (possibly citrine)

Unconfirmed; possibly quartz (SiO₂), variety citrine

Biotite-bearing metamorphic rock, likely gneiss or schist (Mica-rich quartz–feldspar gneiss/schist; exact identification requires testing) — metamorphic

Biotite-bearing metamorphic rock, likely gneiss or schist

Mica-rich quartz–feldspar gneiss/schist; exact identification requires testing

Native Silver (Silver (elemental Ag)) — mineral

Native Silver

Silver (elemental Ag)

Quartz and Limestone Grouping (Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)) — mineral

Quartz and Limestone Grouping

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)

Pallasite Meteorite (Pallasite (Stony-iron meteorite; Fe-Ni alloy with (Mg,Fe)2SiO4 olivine)) — Mineral/Extraterrestrial Rock

Pallasite Meteorite

Pallasite (Stony-iron meteorite; Fe-Ni alloy with (Mg,Fe)2SiO4 olivine)

Mineral/Extraterrestrial Rock

Iron-stained quartz vein in altered host rock (Quartz (SiO₂) with iron oxides/hydroxides, likely hematite and goethite; host rock uncertain from the image) — metamorphic

Iron-stained quartz vein in altered host rock

Quartz (SiO₂) with iron oxides/hydroxides, likely hematite and goethite; host rock uncertain from the image

Pegmatitic quartz–feldspar rock with dark mica (Granitic pegmatite; quartz (SiO₂), feldspar, and biotite mica) — igneous

Pegmatitic quartz–feldspar rock with dark mica

Granitic pegmatite; quartz (SiO₂), feldspar, and biotite mica

Yellow Jadeite (NaAlSi2O6 (Sodium Aluminum Silicate)) — metamorphic

Yellow Jadeite

NaAlSi2O6 (Sodium Aluminum Silicate)

Quartz Vein (Silicon Dioxide (SiO2)) — Mineral

Quartz Vein

Silicon Dioxide (SiO2)

Likely silver-gray metallic ore fragment (Unidentified metallic mineral; possibly galena (PbS), but the image is insufficient for a confident identification) — mineral

Likely silver-gray metallic ore fragment

Unidentified metallic mineral; possibly galena (PbS), but the image is insufficient for a confident identification

Quartz Vein in Basalt or Mafic Rock (Silicon Dioxide (SiO2) vein in volcanic/mafic matrix) — igneous

Quartz Vein in Basalt or Mafic Rock

Silicon Dioxide (SiO2) vein in volcanic/mafic matrix

Slag (Industrial Glassy Byproduct) (Ferro-silicate Slag) — Anthropogenic / Non-Natural

Slag (Industrial Glassy Byproduct)

Ferro-silicate Slag

Anthropogenic / Non-Natural

Sandstone (Quartzite Pebble) (Arenite / Metamorphosed Sandstone (SiO2)) — sedimentary

Sandstone (Quartzite Pebble)

Arenite / Metamorphosed Sandstone (SiO2)

Celestine (or Celestite) (Strontium sulfate (SrSO4)) — mineral

Celestine (or Celestite)

Strontium sulfate (SrSO4)

Manganese Nodule (Polymetallic Nodule (Hydrous manganese and iron oxides)) — mineral

Manganese Nodule

Polymetallic Nodule (Hydrous manganese and iron oxides)

Diamond (Faceted) (Carbon (C) - Diamond) — mineral

Diamond (Faceted)

Carbon (C) - Diamond

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Ironstone Pebble (Sedimentary ironstone / Hematitic Sandstone) — sedimentary

Ironstone Pebble

Sedimentary ironstone / Hematitic Sandstone

Lepidolite (K(Li,Al)3(Si,Al)4O10(F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Si,Al)4O10(F,OH)2

Lepidolite (K(Li,Al)3(Al,Si,4)10(O,F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Al,Si,4)10(O,F,OH)2

Metallic sulfide-bearing rock, likely galena-rich ore (Galena (lead sulfide, PbS), possibly mixed with pyrite/chalcopyrite and host rock) — mineral

Metallic sulfide-bearing rock, likely galena-rich ore

Galena (lead sulfide, PbS), possibly mixed with pyrite/chalcopyrite and host rock

Limonite (Ochreous) (FeO(OH)·nH2O (Hydrated Iron Oxide)) — mineral

Limonite (Ochreous)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Silver (Native Element / Alloy) (Silver (Ag)) — mineral

Silver (Native Element / Alloy)

Silver (Ag)

Gold Nuggest (Native Gold (Au)) — mineral

Gold Nuggest

Native Gold (Au)

Banded fluorite point (Fluorite (calcium fluoride, CaF₂)) — mineral

Banded fluorite point

Fluorite (calcium fluoride, CaF₂)

Rough Diamond (Diamond (Carbon, C)) — mineral

Rough Diamond

Diamond (Carbon, C)

Diamond (Uncut Crystal) (Carbon (C)) — mineral

Diamond (Uncut Crystal)

Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond in Kimberlite (Diamond (C in Kimberlite Matrix)) — igneous

Diamond in Kimberlite

Diamond (C in Kimberlite Matrix)

Celestite (Celestine) (Celestine (SrSO4)) — mineral

Celestite (Celestine)

Celestine (SrSO4)

Chalcopyrite in Quartz (Gold-bearing Ore) (CuFeS2 (Chalcopyrite)) — mineral

Chalcopyrite in Quartz (Gold-bearing Ore)

CuFeS2 (Chalcopyrite)

Aura Quartz (Titanium/Gold coated) (Silicon Dioxide (SiO2) with metallic vapor deposition) — mineral

Aura Quartz (Titanium/Gold coated)

Silicon Dioxide (SiO2) with metallic vapor deposition

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Vanadinite (Pb5(VO4)3Cl) — mineral

Vanadinite

Pb5(VO4)3Cl

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Rose Quartz (Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron

Granite (Plutonic Igneous Rock) — igneous

Granite

Plutonic Igneous Rock

Pyrite with Quartz (Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)) — mineral

Pyrite with Quartz

Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)