Rock Identifier

Category

Man Made Object (Metalwork)

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

Learn about Man Made Object (Metalwork) in the encyclopedia

Opalite

Map Jasper

Goldstone

Blue Goldstone

Mandarin Garnet

Mandarin Garnet

Andalusite

Zincite

Marl

Coquina

Dunite

Dalmatian Jasper

Dalmatian Jasper

Rock Gypsum

Weathered, iron-stained rhyolite pebble (possibly rhyolitic volcanic breccia) (Rhyolite, a felsic volcanic rock; mainly quartz and alkali feldspar with minor plagioclase, altered mafic minerals, and iron-oxide staining) — igneous

Weathered, iron-stained rhyolite pebble (possibly rhyolitic volcanic breccia)

Rhyolite, a felsic volcanic rock; mainly quartz and alkali feldspar with minor plagioclase, altered mafic minerals, and iron-oxide staining

Quartz with impurities or Host Rock (SiO2 (Silicon Dioxide) with mixed silicates) — mineral

Quartz with impurities or Host Rock

SiO2 (Silicon Dioxide) with mixed silicates

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Porphyritic Basalt or Diabase with Plagioclase Phenocrysts (Porphyritic Basalt or Diabase; Mineral: Plagioclase Feldspar) — Igneous

Porphyritic Basalt or Diabase with Plagioclase Phenocrysts

Porphyritic Basalt or Diabase; Mineral: Plagioclase Feldspar

Granodiorite (Granodiorite (phaneritic intrusive igneous rock)) — igneous

Granodiorite

Granodiorite (phaneritic intrusive igneous rock)

Jasper (Silicon Dioxide (SiO2)) — mineral

Jasper

Silicon Dioxide (SiO2)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Granite (Phaneritic plutonic rock (Quartz, Feldspar, Mica)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Feldspar, Mica)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (River Pebble) (Calcite (Calcium Carbonate) - CaCO3) — sedimentary

Limestone (River Pebble)

Calcite (Calcium Carbonate) - CaCO3

Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

Rough Apatite in Matrix (Fluorapatite / Chlorapatite / Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))) — mineral

Rough Apatite in Matrix

Fluorapatite / Chlorapatite / Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Sandstone (lithic) (Lithic Wacke / Arenite) — sedimentary

Sandstone (lithic)

Lithic Wacke / Arenite

Quartz Druzy on Matrix (SiO2) — mineral

Quartz Druzy on Matrix

SiO2

Turquoise (Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O

Unidentified dark reddish-brown rock or mineral specimen (Indeterminate from the blurred image; possibly iron-stained quartz, jasper, or a metallic sulfide-bearing rock) — mineral

Unidentified dark reddish-brown rock or mineral specimen

Indeterminate from the blurred image; possibly iron-stained quartz, jasper, or a metallic sulfide-bearing rock

Granite (Granite) — igneous

Granite

Granite

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Chert (Fossiliferous) (Silicon dioxide (SiO2)) — sedimentary

Chert (Fossiliferous)

Silicon dioxide (SiO2)

Chert (Chalk-associated Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Chalk-associated Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz-bearing granite or granitic pegmatite (Felsic intrusive rock, chiefly quartz (SiO₂), feldspar, and minor mica) — igneous

Quartz-bearing granite or granitic pegmatite

Felsic intrusive rock, chiefly quartz (SiO₂), feldspar, and minor mica

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite (Granite) — Igneous

Granite

Granite

Scoria (Lava Rock) (Scoria (Extrusive Igneous Rock)) — igneous

Scoria (Lava Rock)

Scoria (Extrusive Igneous Rock)

Basalt (Water-worn Pebble) (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt (Water-worn Pebble)

Basalt (Aphanitic Mafic Igneous Rock)

Sandstone (Ferruginous) (Arenite (Fe2O3 rich)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe2O3 rich)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Granite (Granite (Phaneritic Quartz-Feldspar Rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar Rock)

Orange Quartz (Citrine Quartz variety) (Silicon Dioxide (SiO2)) — mineral

Orange Quartz (Citrine Quartz variety)

Silicon Dioxide (SiO2)

Emerald (Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium

Quartz (SiO2) — mineral

Quartz

SiO2

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Seraphinite (Clinochlore (Mg,Fe)5Al(AlSi3O10)(OH)8 - specific variety for Seraphinite due to its fibrous inclusions and chatoyancy.) — Mineral

Seraphinite

Clinochlore (Mg,Fe)5Al(AlSi3O10)(OH)8 - specific variety for Seraphinite due to its fibrous inclusions and chatoyancy.

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Granite (Intrusive Phaneritic Felsic Igneous Rock) — igneous

Granite

Intrusive Phaneritic Felsic Igneous Rock

Carnelian (Carnelian Chalcedony (SiO2)) — mineral

Carnelian

Carnelian Chalcedony (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)