Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Category
Browse sedimentary (if natural jasper) or artificial (if slag) specimens identified by the Rock Identifier community.
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Shale / Mudstone
Sedimentary rock (Claystone / Mudstone / Shale)
Jasper (or Chert)
Microcrystalline Quartz (SiO2)
Red Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Jasper
Silicon dioxide (SiO2) with impurities
Sandstone
Arenite (SiO2 primarily)
Red jasper (likely tumbled)
Jasper, microcrystalline quartz/chalcedony (SiO₂), colored mainly by iron oxides
Jasper (Brown Jasper)
Microcrystalline Quartz (Chalcedony), SiO2
Jasper
Microcrystalline quartz (SiO2)
Jasper
Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
Sandstone
Sedimentary Rock (Quartz arenite)
Chert
Microcrystalline quartz (SiO2)
Dalmatian Jasper
Peralkaline rhyolite with arfvedsonite inclusions
Sandstone (Feldspathic / Arkose)
Sandstone (SiO2 with variable mineral grains)
Sandstone with Iron Staining
Arenite (SiO2 with Fe2O3)
Sandstone (Quartz-rich)
Sandstone (SiO2 dominated)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Sandstone (Stream-rounded)
Arenite (SiO2 based)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone
Arenite (SiO2-rich)
Sandstone (Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
Banded Chert or Chert with Quartz Veins
Chert (SiO2)
Sandstone Pebble
Arenite (primarily SiO2)
Yellow Jasper
Chalcedony (SiO2) with iron oxide inclusions
Sandstone
Sandstone (composed predominantly of SiO2)
Sandstone (with Moss/Lichen Growth)
Sandstone (Quartz Arenite / Lithic Arenite)
Sandstone (likely Graywacke or Siltstone variety)
Clastic Sedimentary Rock (SiO2 with assorted mineral fragments)
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Sandstone (likely Quartzose type)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartz Arenite)
Sandstone (SiO2 with possible mineral cements)
Sandstone (Quartzose)
Arenite (predominantly SiO2)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone (Graywacke type)
Clastic Sedimentary Rock (Lithic Sandstone)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Ferruginous Sandstone (with possible Epidote/Chlorite coloring)
Sandstone (SiO2 dominated with Fe2O3 staining)
Jasper
Microcrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (SiO2)