Sandstone
Arenite
sedimentary
Category
Mineral Within Sedimentary Rock
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Learn about Mineral Within Sedimentary Rock in the encyclopedia
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Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Banded Sandstone
Clastic Sedimentary Rock (Quartz Arenite)
sedimentary
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
mineral
Jasper and Chalcedony Nodule
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Sandstone
Arenite (primary component SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Limonite Concretion
Limonite (Hydrated iron oxide) FeO(OH)·nH2O
sedimentary
Quartz Vein in Matrix (Breccia / Host Rock with Quartz)
Silicon Dioxide (SiO2) in Host Rock Matrix
metamorphic
Sandstone
Arenite (primarily Quartz-rich)
sedimentary
Quartz Geode (partially formed)
Silicon Dioxide (SiO2)
mineral
Septarian Nodule
Septarian Nodule (Mixture of Calcite, Aragonite, and Limestone/Clay)
sedimentary
Quartz Druzy Geode
Silicon Dioxide (SiO2) - Crystalline Variety
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Sandstone (with Iron Staining)
Arenite (Silicon Dioxide, SiO2, often with iron oxides like Limonite)
sedimentary
Quartz Geode / Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Ferruginous Sandstone
Sandstone with Iron Oxide (Limonite/Goethite)
sedimentary
Agate in Matrix
Silicon Dioxide (SiO2) within host rock
mineral
Quartz in Limonite-rich Matrix
Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O
Mineral in Sedimentary/Secondary host
Gneiss
Gneiss
metamorphic
Chalcedony (Agate/Carnelian)
Silicon Dioxide (SiO2)
mineral
Sandstone Concretion
Septarian Concretion (Nodule)
sedimentary
Chalcedony (Botryoidal Agate vein)
Chalcedony (Microcrystalline Quartz) - SiO2
mineral
White Quartz (Carved Star)
Silicon Dioxide (SiO2)
mineral
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
mineral
Chert (and Fossiliferous Chert)
Silicon Dioxide (SiO2)
sedimentary
Gneiss
Metamorphic Gneiss
metamorphic
Banded Gneiss
Gneiss (SiO2 enriched metamorphic rock)
metamorphic
Ferruginous Sandstone
Clastic sedimentary rock (primarily Quartz with Iron Oxide cement)
sedimentary
Sandstone
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Red Sandstone
Arenite (with Iron Oxide)
sedimentary
Banded Agate
Silicon Dioxide (SiO2) - Chalcedony
mineral
Quartz Geode
Silicon Dioxide (SiO2) within a secondary sedimentary structure
sedimentary
Chert (Agatized/Chalcedony variety)
Microcrystalline Quartz (SiO2)
sedimentary
Fossilized Dinosaur Skull (Tyrannosaurus rex)
Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica
sedimentary
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
igneous
Quartz Druzy (on Geode Fragments)
Silicon Dioxide (SiO2)
mineral
Quartz Vein in River Siltstone
Crystalline Quartz (SiO2) in Siliclastic Matrix
sedimentary
Ironstone pebble
Ironstone (Ferruginous Sedimentary Rock)
sedimentary
Sandstone Concretion
Ferruginous Sandstone Concretion
sedimentary
Quartz Pebble (River Agate / Chalcedony)
Silicon Dioxide (SiO2)
mineral