Rock Identifier

Category

Man Made Object (Metal Alloy)

Browse man made object (metal alloy) specimens identified by the Rock Identifier community.

Learn about Man Made Object (Metal Alloy) in the encyclopedia

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Opalite

Opalite

Copper

Goldstone

Goldstone

Blue Goldstone

Blue Goldstone

Zincite

Zincite

Lherzolite

Lherzolite

Bixbyite

Bixbyite

Gondite

Strawberry Obsidian

Dunite

Dunite

Slag Glass (Cullet Glass) (Amorphous Silica (Industrial byproduct)) — mineral

Slag Glass (Cullet Glass)

Amorphous Silica (Industrial byproduct)

mineral
Goethite (Goethite (FeO(OH))) — mineral

Goethite

Goethite (FeO(OH))

mineral
White Jade / White Chalcedony (Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)) — Mineral

White Jade / White Chalcedony

Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)

Mineral
Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Iron Ore (Magnetite-Hematite) (Magnetite (Fe3O4) and Hematite (Fe2O3)) — mineral

Iron Ore (Magnetite-Hematite)

Magnetite (Fe3O4) and Hematite (Fe2O3)

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

Magnetite or Magnetic Iron Ore

Magnetite (Fe3O4)

mineral
Schist (Mica Schist) — metamorphic

Schist

Mica Schist

metamorphic
Rose Quartz (SiO2 (Crystalline Quartz with trace inclusions)) — mineral

Rose Quartz

SiO2 (Crystalline Quartz with trace inclusions)

mineral
Basalt with Desert Varnish (Mafic Volcanic Rock (Fe/Mg rich Silicate)) — igneous

Basalt with Desert Varnish

Mafic Volcanic Rock (Fe/Mg rich Silicate)

igneous
Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

metamorphic
Calcite (Calcite (calcium carbonate, CaCO₃)) — mineral

Calcite

Calcite (calcium carbonate, CaCO₃)

mineral
Limestone (Calcite rock (CaCO3)) — sedimentary

Limestone

Calcite rock (CaCO3)

sedimentary
Quartzite (Milky Quartz pebble) (Silicon Dioxide (SiO2)) — metamorphic

Quartzite (Milky Quartz pebble)

Silicon Dioxide (SiO2)

metamorphic
Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

sedimentary
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Chert / Flint Pebble (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Flint Pebble

Cryptocrystalline Quartz (SiO2)

sedimentary
Sandstone (Arenite (primarily Quartz, SiO2)) — sedimentary

Sandstone

Arenite (primarily Quartz, SiO2)

sedimentary
Scoria (Lava Rock) (Vesicular Basalt / Scoria) — igneous

Scoria (Lava Rock)

Vesicular Basalt / Scoria

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

mineral
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Pyrite (Iron Pyrite) (Iron Disulfide (FeS2)) — mineral

Pyrite (Iron Pyrite)

Iron Disulfide (FeS2)

mineral
Anthracite Coal (Anthracite (Carbon-based solid)) — metamorphic

Anthracite Coal

Anthracite (Carbon-based solid)

metamorphic
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Ferruginous Quartz (Iron-stained Quartz (Silicon Dioxide + Fe2O3 / FeO(OH))) — mineral

Ferruginous Quartz

Iron-stained Quartz (Silicon Dioxide + Fe2O3 / FeO(OH))

mineral
Ferromanganese Nodule (Polymetallic Nodule (composed primarily of MnO2 and Fe2O3)) — sedimentary

Ferromanganese Nodule

Polymetallic Nodule (composed primarily of MnO2 and Fe2O3)

sedimentary
Pyrite (or Fool's Gold) (Pyrite (FeS₂)) — Mineral

Pyrite (or Fool's Gold)

Pyrite (FeS₂)

Mineral
Green Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

mineral
Slag (Industrial Byproduct) (Ferrous/Non-ferrous Silicate) — igneous (artificial/anthropogenic)

Slag (Industrial Byproduct)

Ferrous/Non-ferrous Silicate

igneous (artificial/anthropogenic)
Jade (Jadeite or Nephrite (both are commonly referred to as 'jade'). Jadeite: NaAlSi2O6; Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2.) — Mineral

Jade

Jadeite or Nephrite (both are commonly referred to as 'jade'). Jadeite: NaAlSi2O6; Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2.

Mineral
Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

mineral
Chert (specifically Red Chert or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Red Chert or Jasper)

Microcrystalline Quartz (SiO2)

sedimentary
Fluorite (Fluor-spar) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Fluor-spar)

Calcium Fluoride (CaF2)

mineral
Fluorite Octahedron (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite Octahedron

Fluorite (Calcium Fluoride, CaF2)

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

Green Fluorite

Calcium Fluoride (CaF2)

mineral
Serpentinite (Serpentinite (composed primarily of Serpentine-group minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (composed primarily of Serpentine-group minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

metamorphic
Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

metamorphic
Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

metamorphic
Pegmatite / Granite with Mica (Pegmatite (Igneous Rock composed of Quartz, Feldspar, and Muscovite Mica)) — igneous

Pegmatite / Granite with Mica

Pegmatite (Igneous Rock composed of Quartz, Feldspar, and Muscovite Mica)

igneous
Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

mineral
Fluorite (Calcium fluoride (CaF2)) — mineral

Fluorite

Calcium fluoride (CaF2)

mineral
Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

mineral
Rainbow Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Rainbow Fluorite

Fluorite (Calcium Fluoride, CaF2)

mineral