Gneiss
Gneiss
Category
Browse mineral, often found as detrital grains in sedimentary rocks specimens identified by the Rock Identifier community.
Gneiss
Gneiss
Sandstone (Quartzose)
Arenite (primarily SiO2)
Jasper (specifically Yellow or Brown Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Sandstone
Arenite
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose Sandstone)
Clastic Terrigenous Sedimentary Rock (primarily SiO2)
Sandstone Pebble
Arenite (SiO2 with various cementing agents)
Banded Sandstone (Water-worn Pebble)
Arenite with mineral banding
Sandstone
Arenite
Quartz Sandstone
Quartz Arenite
Quartz (likely Milky Quartz)
Quartz (SiO₂ - Silicon Dioxide)
Sandstone (Ferruginous)
Sandstone (SiO2 with iron oxide inclusions)
Sandstone (Quartzose type)
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 dominant)
Sandstone (River Rock)
Arenite (SiO2 principal component)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Hematite/Limonite oxides)
Sandstone
Arenite (primarily Quartz, SiO2)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)
Chalcedony (Agate/Quartz)
Silicon Dioxide (SiO2)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Red Sandstone
Arenite (primarily Quartz with Iron Oxide)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 dominated)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone
Arenite
Sandstone
Clastic Sedimentary Rock
Sandstone (likely Graywacke or Arkose)
Arenite
Schist
Chlorite/Mica Schist
Sandstone
Arenite (SiO2 based)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide staining)
Sandstone
SiO2 (predominantly quartz sand)
Sandstone (Water-worn Pebble)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Weathered Fragment)
Clastic Sedimentary Rock
Sandstone
Arenite (SiO2 with various cementing minerals)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (Calcareous or Quartz-rich)
Arenite
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone
Arenite (SiO2 based with mineral cement)
Quartzite
Quartzite (primarily SiO2)
Sandstone Pebble
Arenite (specifically Lithic or Quartz Arenite)
Sandstone
Arenite (primarily Quartz and Feldspar composition)
Sandstone
Arenite (primarily SiO2)
Sandstone (with Lichen)
Arenite (composed primarily of SiO2)