Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Limonite/Goethite staining)
Red Jasper
Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)
Sedimentary rock with quartz veining
Laminated siltstone or mudstone with hydrothermal quartz veins
Sedimentary Sandstone (Sandstone Slab)
Arenite (SiO2 with Fe2O3 staining)
Fossil Shell in Sedimentary Matrix
Bivalvia (fossil) in Calcium Carbonate Matrix
Sandstone
Clastic sedimentary rock (primarily SiO2)
Native Gold (in earring form)
Gold (Au)
Orange Calcite
Calcium Carbonate (CaCO3)
Fossilized Fish (Lepidotes)
Lepidotes sp. (Order: Lepisosteiformes)
Chalk / Sedimentary Limestone
Calcium Carbonate (CaCO3) - Biogenic Sedimentary Rock
Chalk (Sedimentary Limestone)
Calcium Carbonate (CaCO3) - Bioclastic Limestone
Limestone
Calcareous sedimentary rock (primarily CaCO3)
Sandstone (likely Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Fossiliferous)
Clastic Sedimentary Rock (primarily SiO2)
Fossilized Bivalve Shell
Bivalvia (fossil specimen)
Concretion (Sandstone)
Sandstone Concretion
Ironstone Concretion / Limonite-stained Siltstone
Ironstone (primarily Limonite FeO(OH)·nH2O and Siltstone)
Jasper
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron impurities
Red Jasper (Tumbled)
Silicon Dioxide (SiO2) with iron oxide inclusions
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Sandstone (Ferruginous)
Arenite (SiO2 with Fe2O3 inclusions)
Sandstone (Quartz Arenite)
Sandstone (dominated by SiO2 quartz grains)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
Sandstone
Arenite (primarily composed of SiO2 - Silicon Dioxide)
Sandstone
Arenite
Sandstone (Quartzose Sandstone)
Clastic Terrigenous Sedimentary Rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Sandstone
Arenite (Sedimentary Rock)
Conglomerate
Conglomerative Sedimentary Rock
Conglomerate (or Breccia)
Clastic Sedimentary Rock
Conglomerate
Conglomerate (Sedimentary rock)