Sandstone pebble
Sandstone (mainly Quartz, SiO2)
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Sandstone pebble
Sandstone (mainly Quartz, SiO2)
Shale and Pebble Fragment
Sedimentary Rock (Mudstone/Shale with Silica Pebble)
Shale
Shale (clastic sedimentary rock composed of silt and clay-sized particles)
Shale
Shale (claystone/mudstone)
Sandstone with Magnetite and Iron Staining
Clastic Sedimentary Rock (contains Fe3O4 and Limonite/Hematite)
Sedimentary Rock with Crafts (Pet Rock)
Sedimentary rock decorated with synthetic materials
Shale
Laminated Fissile Pelite
Coal (specifically Bituminous or Anthracite)
Organic sedimentary rock; primarily Carbon (C) with varying H, S, O, N
Red Sandstone
Clastic Sandstone (typically Quartz-rich with Iron Oxide)
Banded Iron Formation (Fragment)
Banded Iron Formation (BIF)
Banded Sedimentary Rock
Sedimentary rock with mineral veins/banding
Quartz Geode
Quartz (Silicon Dioxide, SiO2)
Geode
Quartz / Chalcedony nodule
Sandstone
Sandstone (clastic sedimentary rock)
Agate Geode
Silicon Dioxide (SiO2) - Chalcedony variety
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Sandstone
Clastic Sedimentary Rock
Quartz Geode
Silicon Dioxide (SiO2) in a Secondary Formation
Shale
Shale (Lutite)
Sulfur
Native Sulfur (S8)
Shale
Shale (Lutite)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Shale
Fissile Siliciclastic Sedimentary Rock
Rock Specimen
Unclassified rock specimen
Sandstone
Arenite (SiO2 dominant)
Banded Sedimentary Rock
Stratified Siliciclastic / Arenite or Siltstone with Mineral Bands
Quartz Geode
Silicon Dioxide (SiO2)
Shale / Mudstone
Sedimentary rock (Claystone / Mudstone / Shale)
Sandstone with Lichen and Iron Oxide Staining
Quartz Arenite / Sandstone
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
Gravel / Crushed Stone
Aggregate (mixed mineral rock fragments)
Sandstone and Conglomerate pebbles
Sedimentary clastic rock
Bivalve Seashell Fossil
Class Bivalvia
Pitted Sedimentary Rock / Cupstone
Sedimentary rock with weathering pit (arenite / sandstone)
Chalcedony Geode
Silicon Dioxide (SiO2)
Shale (with Iron Staining)
Argillaceous mudstone / Shale
Shale
Fissile mudrock (composed primarily of clay minerals and quartz)
Sandstone
Arenite (SiO2 dominant)
Sandstone
Arenite
Geode (Quartz / Chalcedony Geode)
SiO2 (Silicon Dioxide)
Sandstone
Quartz Sandstone (predominantly)
Shale
Sedimentary pelitic rock