Chalcedony in Limestone Host Rock
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Category
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Chalcedony in Limestone Host Rock
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Limonite Concretion
Limonite (Hydrated Iron Oxide) FeO(OH)·nH2O
Ironstone Concretion (Ironstone Gourd)
Limonite/Goethite Concretion (FeOO(H))
Ironstone Concretion (Boxwork)
Siderite-Limonite Concretion (FeO(OH)·nH2O)
Ironstone Concretion (Limonite/Goethite)
Ironstone (composed primarily of Goethite FeO(OH) and Limonite)
Ferruginous Sandstone (River Pebble)
Clastic Sedimentary Rock (Iron-rich)
Geode (Quartz / Chalcedony Geode)
SiO2 (Silicon Dioxide)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Ferruginous)
Clastic sedimentary rock (SiO2 with Fe2O3)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Ironstone Concretion (Limonite/Goethite)
Iron-rich sedimentary rock (FeOx)
Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
Ferruginous Sandstone Pebble
Iron-rich Clastic Sedimentary Rock
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Limestone with Chert Nodules
Sedimentary Calcium Carbonate (CaCO3) with Microcrystalline Silica (SiO2) inclusions
Sandstone
Arenite
Sandstone Concretion
Sedimentary Concretion (Quartz sand bound by mineral cement)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
Hag Stone
Perforated Sedimentary Rock (typically Flint, Chert, or Limestone)
Ironstone Concretion (Limonite/Goethite)
Goethite-rich Concretion (FeO(OH))
Quartz Geode in Sedimentary Host Rock
Silicon Dioxide (SiO2) in Carbonate Matrix
Sandstone Pebble
Arenite (Sandstone)
Jasper and Chalcedony
Silicon Dioxide (SiO2) microcrystalline quartz
Red Sandstone
Arenite (Iron-rich)
Sandstone Pebble
Arenite (SiO2 based)
Quartz Druzy (on Matrix)
Silicon Dioxide (SiO2)
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
Pyrite in Shale
Iron Disulfide (FeS2)
Quartz Geode (River Cobble)
Silicon Dioxide (SiO2)
Fossil-bearing Sedimentary Rock
Sedimentum cum fossili
Quartz (Druzy)
Silicon Dioxide (SiO2)
Sandstone Cobble with Iron Staining
Arenite with Limonite/Hematite staining
Sandstone (with Concretion)
Arenite / Quartzose Sandstone
Quartz Geode
Silicon Dioxide (SiO2) within a geode
Quartz Geode
Silicon Dioxide (SiO2)
Claystone Concretion
Septarian Concretion (Ironstone-rich)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in Geode
Quartz Geode
Silicon Dioxide (SiO2) within a sedimentary or volcanic shell
Herkimer Diamond
Quartz (Silica - SiO2)
Agate (Carnelian Agate with Quartz Matrix)
Silicon Dioxide (SiO2)
Limonite Concretion
FeO(OH)·nH2O (Hydrated Iron Oxide)
Sandstone
Arenite (primarily SiO2)