Rock Identifier

Category

Sedimentary (Man Made Composite)

Browse sedimentary (man made composite) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Man Made Composite) in the encyclopedia

Opalite

Map Jasper

Conglomerate

Goldstone

Quartzite Sandstone

Quartzite Sandstone

Breccia

Blue Goldstone

Ironstone

Sea Sediment Jasper

Limestone

Claystone

Sandstone

Fossilized Coral (Coquina/Limestone) (Cnidaria Anthozoa (Fossilized)) — sedimentary

Fossilized Coral (Coquina/Limestone)

Cnidaria Anthozoa (Fossilized)

Sandstone (Arenite (SiO2 based clastic rock)) — sedimentary

Sandstone

Arenite (SiO2 based clastic rock)

Ruby in Zoisite (Anyolite (composite of Corundum Al2O3 and Zoisite Ca2Al3(SiO4)(Si2O7)O(OH))) — metamorphic

Ruby in Zoisite

Anyolite (composite of Corundum Al2O3 and Zoisite Ca2Al3(SiO4)(Si2O7)O(OH))

Belemnoit (Fossil) (Belemnoidea (Order), Rostrum / Guard) — sedimentary

Belemnoit (Fossil)

Belemnoidea (Order), Rostrum / Guard

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

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

Chert (Flint / Quartz Nodule)

Microcrystalline Quartz (SiO2)

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

Limestone Pebble

Sedimentary Calcium Carbonate (CaCO3)

Sandstone (with potential Arkose/Lithic characteristics) (Arenite (Sedimentary rock composed of sand-sized grains)) — sedimentary

Sandstone (with potential Arkose/Lithic characteristics)

Arenite (Sedimentary rock composed of sand-sized grains)

Unakite (Altered Granite (Epidotized Granite)) — metamorphic

Unakite

Altered Granite (Epidotized Granite)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Ferruginous) (Arenite (SiO2 with Fe2O3 inclusions)) — sedimentary

Sandstone (Ferruginous)

Arenite (SiO2 with Fe2O3 inclusions)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (likely Quartzose) (Clastic sedimentary rock (SiO2 primary)) — sedimentary

Sandstone (likely Quartzose)

Clastic sedimentary rock (SiO2 primary)

Fossil Coral (Scleractinia (Stony Coral) fossil) — fossil

Fossil Coral

Scleractinia (Stony Coral) fossil

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

Chert (Flint / Jasper)

Silicon Dioxide (SiO2)

Chert (Cherty Shale / Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Cherty Shale / Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Chert (specifically Tan/Gray Chert) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (specifically Tan/Gray Chert)

Microcrystalline quartz (SiO2)

Sandstone (Arenite (variable SiO2 composition)) — sedimentary

Sandstone

Arenite (variable SiO2 composition)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Siltstone Pebble (Siltstone (composed of microscopic quartz and clay minerals)) — sedimentary

Siltstone Pebble

Siltstone (composed of microscopic quartz and clay minerals)

Granodiorite (Granodiorite) — Igneous

Granodiorite

Granodiorite

Chert (Silicon dioxide (SiO2)) — Sedimentary

Chert

Silicon dioxide (SiO2)

Chert (Jasper/Flint variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

Coquina (Biogenic Limestone (Coquina)) — sedimentary

Coquina

Biogenic Limestone (Coquina)

Diamond (in a jewelry setting) (Diamond (Carbon, C)) — mineral

Diamond (in a jewelry setting)

Diamond (Carbon, C)

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

Chert / Flint

Silicon Dioxide (SiO2)

Chert or Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Chert or Jasper

Microcrystalline Quartz (SiO2)

Chert (Yellow Jasper/Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Yellow Jasper/Flint)

Silicon Dioxide (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Probable amber fragment (Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)) — gemstone

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Sandstone (Pebble) (Sandstone (SiO2 with matrix/cement)) — sedimentary

Sandstone (Pebble)

Sandstone (SiO2 with matrix/cement)

Sandstone (Arenite (SiO2 based typically)) — sedimentary

Sandstone

Arenite (SiO2 based typically)

Chalk (Micrite (primarily Calcium Carbonate or CaCO3)) — sedimentary

Chalk

Micrite (primarily Calcium Carbonate or CaCO3)

Polished blue-green glassy slag or coated mineral fragment (Most likely man-made colored glass/slag; exact composition cannot be determined visually) — mineral

Polished blue-green glassy slag or coated mineral fragment

Most likely man-made colored glass/slag; exact composition cannot be determined visually

Blue goldstone beads (Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli) — mineral

Blue goldstone beads

Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli

Goldstone (N/A (Synthetic Glass with Copper Inclusions)) — Manufactured Glass

Goldstone

N/A (Synthetic Glass with Copper Inclusions)

Manufactured Glass

Chert (Siltstone / Flint) (SiO2 (Cryptocrystalline Quartz)) — sedimentary

Chert (Siltstone / Flint)

SiO2 (Cryptocrystalline Quartz)

Chert (Chalcedony/Agate variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Chalcedony/Agate variety)

Silicon Dioxide (SiO2)