Rock Identifier

Category

Man Made Material (Metal)

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

Learn about Man Made Material (Metal) in the encyclopedia

Opalite

Platinum

Gold

Copper

Silver

Peat

Map Jasper

Goldstone

Blue Goldstone

Mandarin Garnet

Mandarin Garnet

Dunite

Andalusite

Note: No specimen visible — N/A

Note: No specimen visible

Likely quartz-rich metamorphic rock (quartzite or milky quartz) (Quartzite; predominantly quartz (SiO₂), possibly with feldspar and iron-oxide staining) — metamorphic

Likely quartz-rich metamorphic rock (quartzite or milky quartz)

Quartzite; predominantly quartz (SiO₂), possibly with feldspar and iron-oxide staining

Tumbled agate (probable moss or dendritic agate) (Microcrystalline quartz, SiO₂, with iron/manganese dendritic inclusions) — mineral

Tumbled agate (probable moss or dendritic agate)

Microcrystalline quartz, SiO₂, with iron/manganese dendritic inclusions

Tumbled white quartz pebble (Quartz (silicon dioxide, SiO₂)) — mineral

Tumbled white quartz pebble

Quartz (silicon dioxide, SiO₂)

Petrified Wood (Silicified wood (primarily Silicon Dioxide, SiO2)) — metamorphic

Petrified Wood

Silicified wood (primarily Silicon Dioxide, SiO2)

Cubic Zirconia (or possibly Diamond) (Zirconium dioxide (or Carbon)) — gemstone

Cubic Zirconia (or possibly Diamond)

Zirconium dioxide (or Carbon)

Brecciated jasper (likely ocean jasper or red jasper) (Microcrystalline quartz, SiO₂, with iron-oxide pigments and breccia cement) — mineral

Brecciated jasper (likely ocean jasper or red jasper)

Microcrystalline quartz, SiO₂, with iron-oxide pigments and breccia cement

Likely basalt with a pale mineral-filled vesicle (Vesicular basalt, probably containing calcite or zeolite (uncertain from image)) — igneous

Likely basalt with a pale mineral-filled vesicle

Vesicular basalt, probably containing calcite or zeolite (uncertain from image)

Crushed Granite / Landscaping Gravel (Granitoid) — igneous

Crushed Granite / Landscaping Gravel

Granitoid

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

Milky Quartz Chip

Silicon Dioxide (SiO2)

Tumbled amethyst (Quartz, purple variety; silicon dioxide (SiO₂), colored mainly by iron impurities and irradiation) — mineral

Tumbled amethyst

Quartz, purple variety; silicon dioxide (SiO₂), colored mainly by iron impurities and irradiation

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Siltstone (Siltstone (primarily SiO2 with various silicates)) — sedimentary

Siltstone

Siltstone (primarily SiO2 with various silicates)

Quartzite River Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Pebble

Quartzite (primarily SiO2)

Chert (Flint) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline quartz (SiO2)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chalcedony (Chert/Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony (Chert/Flint)

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (Silicon Dioxide - SiO2)) — fossil

Petrified Wood

Silicified Wood (Silicon Dioxide - SiO2)

Green Jasper (Silicon Dioxide (SiO2)) — sedimentary

Green Jasper

Silicon Dioxide (SiO2)

Sandstone (Clastic sedimentary rock (Quartz arenite / Arkose)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite / Arkose)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Limestone or Sandstone Cobble (Sedimentary rock (Calcium carbonate or Quartz based)) — sedimentary

Limestone or Sandstone Cobble

Sedimentary rock (Calcium carbonate or Quartz based)

Quartz Vein in River Siltstone (Crystalline Quartz (SiO2) in Siliclastic Matrix) — sedimentary

Quartz Vein in River Siltstone

Crystalline Quartz (SiO2) in Siliclastic Matrix

Pumice or Scoria (Vesicular volcanic rock) — Igneous

Pumice or Scoria

Vesicular volcanic rock

Diamond (C) — gemstone

Diamond

C

Diamond (or Diamond Simulant) (Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia ZrO2)) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia ZrO2)

Diamond (or Diamond Simulant) (Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia ZrO2)) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia ZrO2)

Flint (Microcrystalline quartz (SiO2)) — sedimentary

Flint

Microcrystalline quartz (SiO2)

Asphalt (Bituminous Rock) (Natural bitumen or Bituminous limestone/sandstone) — sedimentary

Asphalt (Bituminous Rock)

Natural bitumen or Bituminous limestone/sandstone

Banded Chert (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert

Silicon Dioxide (SiO2)

Flint / Chert (Silicon dioxide (SiO2)) — sedimentary

Flint / Chert

Silicon dioxide (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Quartzite (Quartzite) — metamorphic

Quartzite

Quartzite

Coquina / Fossiliferous Limestone (Biogenic Limestone (Calcium Carbonate - CaCO3)) — sedimentary

Coquina / Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate - CaCO3)

Red Sandstone (Arenite (with Iron Oxide cement)) — sedimentary

Red Sandstone

Arenite (with Iron Oxide cement)

Coquina (Coquina (Bioclastic Limestone)) — sedimentary

Coquina

Coquina (Bioclastic Limestone)

Polished kambaba jasper (Orbicular stromatolitic jasper; microcrystalline quartz (SiO₂) with chlorite/amphibole-rich inclusions) — sedimentary

Polished kambaba jasper

Orbicular stromatolitic jasper; microcrystalline quartz (SiO₂) with chlorite/amphibole-rich inclusions

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Tiffany Stone (Fluorite-bearing Opalized Breccia) — Rock/Mineralized Nodule

Tiffany Stone

Fluorite-bearing Opalized Breccia

Rock/Mineralized Nodule