Jasper (specifically Yellow or Brown Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse mineral, often found as detrital grains in sedimentary rocks specimens identified by the Rock Identifier community.
Jasper (specifically Yellow or Brown Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Sandstone
Clastic Sedimentary Rock
Sandstone (with Iron Staining)
Arenite (SiO2 with Fe2O3/FeOOH impurities)
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic Sedimentary Rock
Sandstone (lithic wake/graywacke variety)
Arenite/Greywacke (SiO2 with lithic fragments)
Shale (sub-type: Carbonaceous Shale)
Lutaceous Sedimentary Rock
Sandstone Pebble
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone (with potential iron-oxide weathering)
Arenite (SiO2 based)
Ferruginous Sandstone
Arenite with Iron-Oxide cement (Fe2O3 · nH2O)
Sandstone (likely Graywacke or Siltstone variety)
Clastic Sedimentary Rock (SiO2 with assorted mineral fragments)
Sandstone (with concrete/human-made layer)
Clastic Sedimentary Rock (primarily Quartz/Feldspar grains)
Sandstone (with Iron Staining)
Arenite (Siliclastic sedimentary rock)
Sandstone Pebble
Arenite (typically SiO2)
Shale or Mudstone
Argillaceous sedimentary rock
Sandstone (Quartzite-rich Pebble)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Ironstone concretion
Siderite or Limonite-rich Concretion (FeO(OH)·nH2O)
Sandstone (Feldspathic / Arkose)
Sandstone (SiO2 with variable mineral grains)
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Red Sandstone
Arenite (Ferruginous Sandstone)
Ironstone (Limonite/Hematite concretion)
Ferruginous Siltstone / Goethite (FeO(OH))
Sandstone (with manganese staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (River Cobble)
Sandstone (primarily composed of silica, SiO2)
Sandstone
Arenite
Sandstone (Quartz Arenite)
Sandstone (SiO2 with possible mineral cements)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Sandstone / Quartzite
Sedimentary quartz arenite
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone (lithic wake or graywacke)
Clastic sedimentary rock (primarily quartz and lithic fragments)
Sandstone (Quartzose)
Arenite (SiO2 based)
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
Sandstone (Ferruginous)
Arenite (SiO2 with Iron Oxide impurities)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite
Sandstone
Arenite
Sandstone
Arenite (SiO2-rich)
Sandstone (Quartzite Pebble)
Arenite (SiO2)
Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Muscovite Schist
Muscovite Schist (KAl2(AlSi3O10)(OH)2 matrix)