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

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Red Sandstone with Reduction Spot (Quartzose Sandstone with a Leach/Reduction Spot) — sedimentary

Red Sandstone with Reduction Spot

Quartzose Sandstone with a Leach/Reduction Spot

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

River Pebble (Siliceous rock fragment) — sedimentary

River Pebble

Siliceous rock fragment

Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone) (Silicified limestone or banded sedimentary rock with mineral veins) — sedimentary

Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone)

Silicified limestone or banded sedimentary rock with mineral veins

Thunder Egg (Agate Core) (Cryptocrystalline Quartz (SiO2) in Rhyolite/Perlite Matrix) — mineral

Thunder Egg (Agate Core)

Cryptocrystalline Quartz (SiO2) in Rhyolite/Perlite Matrix

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone (Sedimentary Clastic Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Clastic Rock (Quartz arenite)

Sandstone (Sedimentary Rock (Quartz arenite or arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite or arkose)

Iron-Stained Quartz (Silicon Dioxide (SiO2) with Iron Oxide/Limonite coating) — mineral

Iron-Stained Quartz

Silicon Dioxide (SiO2) with Iron Oxide/Limonite coating

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Sandstone (Weathered Pebble) (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone (Weathered Pebble)

Sedimentary Rock (Quartz arenite)

Sandstone (Sandstone (SiO2 dominant, with minor feldspar and clay minerals)) — sedimentary

Sandstone

Sandstone (SiO2 dominant, with minor feldspar and clay minerals)

Quartz Pebble with Epidote / Chlorite Inclusions (Silicon Dioxide (SiO2) with Epidote/Chlorite inclusions) — mineral

Quartz Pebble with Epidote / Chlorite Inclusions

Silicon Dioxide (SiO2) with Epidote/Chlorite inclusions

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone with Dendritic Inclusions (Quartzose Sandstone) — sedimentary

Sandstone with Dendritic Inclusions

Quartzose Sandstone

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

Sandstone

Clastic sedimentary rock (Quartz arenite)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Iron-stained Quartz (Silicon Dioxide with Iron Oxide (SiO2 with Fe2O3)) — mineral

Iron-stained Quartz

Silicon Dioxide with Iron Oxide (SiO2 with Fe2O3)

Rock Fragment with Calcite/Quartz Vein (Polymictic Rock Fragment (SiO2 / CaCO3)) — igneous

Rock Fragment with Calcite/Quartz Vein

Polymictic Rock Fragment (SiO2 / CaCO3)

Sandstone / Chert Gravel (SiO2 (Silicon Dioxide based clastic sedimentary rock)) — sedimentary

Sandstone / Chert Gravel

SiO2 (Silicon Dioxide based clastic sedimentary rock)

Sandstone (SiO2 (predominantly quartz sand)) — sedimentary

Sandstone

SiO2 (predominantly quartz sand)

Sandstone (Sandstone (SiO2-rich detrital sedimentary rock)) — sedimentary

Sandstone

Sandstone (SiO2-rich detrital sedimentary rock)

Sandstone (Sandstone (composed predominantly of SiO2)) — sedimentary

Sandstone

Sandstone (composed predominantly of SiO2)

Corundum (Sapphire / Raw Sapphire) (Aluminum Oxide (Al2O3)) — gemstone

Corundum (Sapphire / Raw Sapphire)

Aluminum Oxide (Al2O3)

Porphyritic Granite (Pink Granite) (Granite (plagioclase, alkali feldspar, quartz, biotite)) — igneous

Porphyritic Granite (Pink Granite)

Granite (plagioclase, alkali feldspar, quartz, biotite)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Fossiliferous Limestone (Bioclastic Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone

Bioclastic Limestone (CaCO3)

Snowflake Obsidian (Spherulitic Volcanic Glass (SiO2)) — igneous

Snowflake Obsidian

Spherulitic Volcanic Glass (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Red Sandstone

Sandstone (Quartz Arenite with Iron Oxide)

Sandstone (Quartzite-rich Cobble) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Quartzite-rich Cobble)

Clastic sedimentary rock (primarily SiO2)

Conglomerate (Polymictic Conglomerate) — sedimentary

Conglomerate

Polymictic Conglomerate

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

Limestone (River Pebble)

Calcium Carbonate (CaCO3)

Sandstone (Banded) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Banded)

Arenite (primarily SiO2)

Sandstone (Arenite (primarily Quartz and Feldspar)) — sedimentary

Sandstone

Arenite (primarily Quartz and Feldspar)

Amazonite (K(AlSi3O8)) — mineral

Amazonite

K(AlSi3O8)

Sandstone (River Cobble) (Sandstone (composed predominantly of SiO2 - Quartz)) — sedimentary

Sandstone (River Cobble)

Sandstone (composed predominantly of SiO2 - Quartz)

Sandstone (Sandstone (Siliciclastic Sedimentary Rock)) — sedimentary

Sandstone

Sandstone (Siliciclastic Sedimentary Rock)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)