Red Jasper (or Agate/Jasper mixture)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Category
Mineral Within A Sedimentary Rock
Browse mineral within a sedimentary rock specimens identified by the Rock Identifier community.
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Chalcedony / Agate Pebble
Silicon Dioxide (SiO2)
mineral
Ironstone Concretion
Ironstone (Limonite/Goethite/Hematite mixture)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) - Crystalline Quartz
mineral
Septarian Nodule (Dragon Stone)
Septarian Concretion (CaCO3 with Calcite, Aragonite, and Limestone/Bentonite)
sedimentary
Concretion
Various mineral compositions, typically carbonate or iron oxide cemented sediment
Sedimentary
Chalcedony Geode / Quartz Druzy
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2) within a sedimentary or igneous host
sedimentary
Liesegang Stone (Sandstone with Liesegang Rings)
Clastic sedimentary rock with li-secondary iron oxide mineralization
sedimentary
Geode
Quartz / Chalcedony nodule with mineralized cavity
sedimentary
Hag Stone
Perforated Sedimentary Rock (typically Flint or Limestone)
sedimentary
Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
igneous
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Chert / Flint Nodules in Sandstone
Microcrystalline Quartz (SiO2) within Clastic Sedimentary Rock
sedimentary
Geode
Crystalline Quartz in Sedimentary Matrix (SiO2)
sedimentary
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Weathered Sandstone with Algae Growth
Arenite
sedimentary
Sandstone (Quartzose)
Arenite (SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (with high iron oxide content)
sedimentary
Sandstone with Magnetite and Iron Staining
Clastic Sedimentary Rock (contains Fe3O4 and Limonite/Hematite)
sedimentary
Banded Sandstone
Arenite with Liesegang banding (primarily SiO2 with FeO(OH) impurities)
sedimentary
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
sedimentary
Chert (Quartzite Pebble)
Microcrystalline Quartz (SiO2)
sedimentary
Drupa or Druzy Quartz on Geode Fragment
Crystalline Silicon Dioxide (SiO2)
mineral
Weathered quartz-rich pebble, likely sandstone or quartzite
Quartzite (SiO₂), possibly ferruginous sandstone
metamorphic
Quartz Vein in Siltstone
Siltstone with Quartz (SiO2) inclusion
sedimentary
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide Fe2O3 cement)
sedimentary
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Conglomerate
Conglomerate (a clastic sedimentary rock)
Sedimentary Rock
Ironstone Concretion (Limonite/Goethite)
Ferruginous Siltstone / Limonite Concretion (FeOO(OH)·nH2O)
sedimentary
Iron Concretion
Ferruginous concretion (Fe2O3·nH2O / FeO(OH))
sedimentary
Carnelian
SiO2 (Silicon Dioxide - Chalcedony variant)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Sandstone
Clastic sedimentary rock (Arenite)
sedimentary
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 based)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Agate / Chalcedony Pebble
Silicon Dioxide (SiO2)
mineral
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Red Sandstone
Arenite (Iron-rich)
sedimentary
Sandstone (with Iron Staining)
Arenite (Siliclastic sedimentary rock)
sedimentary