Banded Limestone
Calcareous sedimentary rock (CaCO3)
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Banded Limestone
Calcareous sedimentary rock (CaCO3)
Sandstone
Arenite (Siliclastic Sedimentary Rock)
Quartz Geode
Silicon Dioxide (SiO2) in Host Rock
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
Sandstone and Gravel Aggregate
Clastic Sedimentary Rock / Quartzose Sandstone
Sandstone
Arenite (primarily SiO2)
Chert Pebble
Chert (Microcrystalline Quartz, SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Conglomerate
Conglomerate (Sedimentary Rock)
Geode or Concretion
Silica-filled nodule (likely SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
Quartz Geode
Silicon Dioxide (SiO2)
Vuggy Quartz on Matrix
Crystalline Silicon Dioxide (SiO2)
Sandstone
Arenite
Quartz vein in weathered host rock
Quartz (SiO₂), likely in a weathered metamorphic or igneous matrix
Jasper with Purple Fluorite or Chalcedony
Silicon Dioxide (SiO2) with mineral inclusions
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone
Arenite (Clastic Sedimentary Rock)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Sandstone (lithic/greywacke variant)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
Quartz-veined Sandstone
Sedimentary rock with quartz vein (SiO2)
Sandstone
Arenite
Fossilized Bark
Lepidodendron / Sigillaria fossil impression
Sandstone (Weathered Pebble)
Sedimentary Rock (Quartz arenite)
Sandstone
Sedimentary Rock (Quartz arenite)
Jasper and Agate Mix
Silicon dioxide (SiO2) - Microcrystalline Quartz
Sandstone
Arenite (SiO2 based)
Fossil Snail
Gastropoda fossil
Sandstone and River Pebbles
Sedimentary Rock (Sandstone / Quartzite / Chert)
Sandstone
Arenite
Shale with Siltstone layering
Sedimentary Clastic Rock (Mudstone/Shale)
Sandstone
Sedimentary Rock (Quartz arenite)
Sandstone
Quartz Arenite / Sedimentary Rock
Sandstone (Iron-stained)
Arenite (primarily SiO2 with Fe2O3 staining)
Limonite (Ironstone Concretion)
Limonite: FeO(OH)·nH2O
Geode (Unopened)
Siliceous Geode (SiO2)
Sandstone
Arenite
Starfish Fossil
Asteroidea fossil
Sandstone (with Iron Staining)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) oxides)