Sandstone
Arenite
Category
Browse sedimentary rock (metamorphosed) specimens identified by the Rock Identifier community.
Sandstone
Arenite
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Quartz on Host Rock
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Mookaite Jasper
Silicified Radiolarite (SiO2)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Arkosic or Quartzose)
Arenite (SiO2 based with mineral inclusions)
Sandstone
Arenite (SiO2 based with primary clasts 0.0625 to 2 mm)
Red Jasper (Quartz)
Silicon Dioxide (SiO2) with Iron impurities
Sandstone (Ferruginous)
Arenite (Fe-rich)
Quartz on Matrix
Silicon Dioxide (SiO2)
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
Chert (specifically Pink/Tan Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Ammonite Fossil
Ammonoidea (subclass)
Chert Nodule
Microcrystalline Silica (SiO2)
Druzy Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Sandstone (Gneissic or Banded)
Clastic Sedimentary Rock (composed predominantly of SiO2)
Ferruginous Sandstone (Ironstone)
Sandstone with Hematite/Goethite cement (SiO2 + FeO(OH))
Yellow Ochre / Limonite
Limonite (FeO(OH)·nH2O)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)
Manganese Oxide Crust on Limestone
Manganese Oxides (e.g., Pyrolusite MnO2 or Romanechite) on CaCO3
Carnelian and White Quartz Bracelet
Silicon Dioxide (SiO2) - specifically Carnelian (Chalcedony) and Rock Crystal/Snow Quartz
Gneiss
Foliated Metamorphic Rock (Gneiss)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone Pebble
Arenite (primarily SiO2)
Sandstone (Banded)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Agate Geode Slice (with Druzy Quartz)
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone Pebble
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with high iron oxide content)