Sandstone (likely Siltstone or fine-grained Sandstone)
Sedimentary Rock (Clastic)
sedimentary
Category
Man Made Rock (Sedimentary Analogue)
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
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Shale or Siltstone
Sedimentary Rock (Siliciclastic)
sedimentary
River Pebble (Greywacke or Siltstone)
Clastic Sedimentary Rock
sedimentary
Wood Stone (Dragon Stone variant)
Argillaceous Sedimentary Rock
sedimentary
Coal (Bituminous)
Sedimentary carbonaceous rock
sedimentary
Siltstone or Mudstone
Argillaceous sedimentary rock
sedimentary
Shale
Lutaceous sedimentary rock
sedimentary
Basalt (Porphyritic Basalt)
Extrusive Igneous Rock
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
sedimentary
Sandstone with Quartz Vein
Arenite with Crystalline Silica (SiO2)
sedimentary
Sandstone (Micaceous)
Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)
sedimentary
Pebble or Cobble (likely composed of sandstone or conglomerate)
Clastic Sedimentary Rock (specific name like sandstone, conglomerate, or breccia would require microscopic analysis of clast size and angularity)
Sedimentary Rock (possibly a conglomerate or coarse-grained sandstone)
Sandstone (River Cobble)
Sandstone (principally composed of Quartz, SiO2)
sedimentary
Fish Fossil in Limestone
Lycoptera (likely) in Micritic Limestone
sedimentary
Herkimer Diamond
Quartz (Silica - SiO2)
mineral
Sandstone (likely Graywacke or Lithic Sandstone)
Clastic Sedimentary Rock
sedimentary
Eroded Limestone with Iron Staining
Carbonate Rock (CaCO3)
sedimentary
Red Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone (with Siltstone/Greywacke variations)
Sedimentary Rock (Clastic)
sedimentary
Sandstone (Common Quartz Pebble/Rock)
Sedimentary rock / Quartz arenite
sedimentary
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Limestone (specifically Travertine or Tufa)
Calcium Carbonate (CaCO3)
sedimentary
Quartz-veined Sandstone
Sedimentary rock with quartz vein (SiO2)
sedimentary
Druzy Quartz on Chalcedony Matrix
Silicon Dioxide (SiO2)
mineral
Red Sandstone Pebble
Sedimentary quartz sandstone
sedimentary
Druzy Quartz on Sandstone
Silicon Dioxide (SiO2) with Quartz Crystals on Clastic Sedimentary Rock
sedimentary
Ironstone Concretion / Chert Nodules
Iron-rich Sedimentary Concretion (Fe2O3 / SiO2 mix)
sedimentary
Sandstone (Iron-stained)
Arenite with Limonite/Hematite staining
sedimentary
Garnet Schist
Garnetiferous Micaceous Schist
metamorphic
Sandstone Pebble
Sedimentary quartz arenite
sedimentary
Sandstone Concretion
Sedimentary Concretion (Quartz sand bound by mineral cement)
sedimentary
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
mineral
Sandstone
Arenite (SiO2 principal)
sedimentary
Fossilized Bone
Permineralized Vertebrate Bone
fossil
Sandstone with Quartz Veins
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Shale
Argillaceous Rock
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Dalmation Jasper (or Dalmation Stone)
Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)
igneous