Geode (Chert/Quartz Nodule)
Silicon Dioxide (SiO2)
sedimentary
Category
Mineral Within Sedimentary Rock
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
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Amethyst Geode
Silicon Dioxide with trace inclusions of Iron (SiO2)
mineral
Milky Quartz in Conglomerate Matrix
Silicon Dioxide (SiO2) within Clastic Sedimentary Rock
sedimentary
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Sandstone (Water-worn Pebble)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Red Sandstone
Arenite (with Iron Oxide / Hematite cementation)
sedimentary
Gneiss with Quartz Vein
Metamorphic Gneiss
metamorphic
Sandstone (Quartz-rich)
Arenite (SiO2 based clastic rock)
sedimentary
Ironstone Concretion
Limonitic/Hematitic Concretion
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
sedimentary
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
sedimentary
Ironstone Concretion (Limonite/Goethite)
Goethite/Limonite concretion (FeO(OH)·nH2O)
sedimentary
Ironstone Concretion (Moqui Marble type)
Iron oxide concretion (Goethite/Hematite and Sandstone)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone with Liesegang Rings
Clastic Sedimentary Rock with Iron Oxide Precipitates (SiO2 + Fe2O3)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
River Pebble (Likely Chert or Fine-Grained Sandstone/Quartzite)
Siliciclastic clast (likely Chert or Quartzarenite/Quartzite pebble)
Sedimentary
Chert
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz Geode / Chalcedony Nodule
Quartz (Silicon Dioxide - SiO2)
mineral
Sandstone with Ironstone Concretion
Arenite with Hematite/Goethite nodules (Fe2O3 / FeO(OH))
sedimentary
Conglomerate
Conglomerate (Sedimentary Rock)
sedimentary
Sandstone Concretion
Sandstone (Sedimentary rock, mostly SiO2)
sedimentary
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
mineral
Quartz Geode
Crystalline Silver Oxide (SiO2) in Calcareous Host
mineral
Quartz Geode
Silicon Dioxide (SiO2) in a Secondary Formation
sedimentary
Gneiss
Gneiss (foliated metamorphic rock)
metamorphic
Gneiss Pebble
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss
metamorphic
Geode (Unopened)
Siliceous Septarian Concretion / Geode (SiO2)
sedimentary
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Carnelian
Carnelian (SiO2 with Iron Oxide impurities)
mineral
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Chert / Flint
Microcrystalline quartz (SiO2)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Turquoise
Hydrated copper and aluminum phosphate (CuAl6(PO4)4(OH)8·4H2O)
mineral
Blue Lace Agate
Cryptocrystalline Quartz (SiO2) with trace minerals
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Sandstone (Stream-rounded Cobble)
Arenite (composed primarily of SiO2, Silica)
sedimentary
Chert (Jasper/Flint Pebble)
Microcrystalline quartz (SiO2)
sedimentary
Carnelian (Orange Agate)
Silicon Dioxide (SiO2)
mineral