Sandstone (with Liesegang rings or Oxidation)
Arenite (primarily Quartz SiO2 with Iron Oxide Fe2O3 staining)
sedimentary
Category
Mineral Within A Sedimentary Rock
Browse mineral within a sedimentary rock specimens identified by the Rock Identifier community.
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Wishing Stone / Banded Quartz Vein Pebble
Sedimentary pebble with hydrothermal quartz veins (SiO2)
sedimentary
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
sedimentary
Amethyst
Silicon Dioxide (SiO2)
mineral
Banded Pebble (Metamorphic Slate or Gneiss with Quartz Veining)
Metamorphic Rock with Quartz/Calcite Veins
metamorphic
Yellow Jasper
Silicon Dioxide (SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
sedimentary
Blue Calcite Sphere
Calcium Carbonate (CaCO3)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
River Rock
Sedimentary Rock (various compositions)
sedimentary
Conglomerate
Conglomerate rock
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Boulder Opal
Precious Opal in Ironstone (Amorphous Hydrated Silica, SiO2·nH2O)
Mineral
Sandstone
Arenite (primarily Quartz Arenite)
sedimentary
Vesicular Sandstone
Clastic Sedimentary Rock (Sandstone)
sedimentary
River Pebble (Likely Chert or Fine-Grained Sandstone/Quartzite)
Siliciclastic clast (likely Chert or Quartzarenite/Quartzite pebble)
Sedimentary
Ironstone (with possible Hematite/Limonite coating)
Ironstone (Fe-rich sedimentary rock)
sedimentary
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
sedimentary
Chert (or Flint)
Chert (cryptocrystalline quartz), SiO2
Sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
Banded metamorphic rock, likely gneiss
Foliated gneiss; chiefly quartz, feldspar, and dark mica/amphibole
metamorphic
Ironstone Concretion (Boji Stone/Moqui Marble type)
Goethite/Hematite-encrusted Sandstone Concretion
sedimentary
Quartz Geodes and Crystal Clusters
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneissic Metamorphic Rock
metamorphic
Blue Banded Agate (Dyed)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Chalcedony Nodule (Commonly known as Agate or Chert)
Microcrystalline Quartz (SiO2)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Geode (Chert or Quartz Nodule)
Silicon Dioxide (SiO2)
sedimentary
Sandstone (with vugs or solution cavities)
Arenite (primarily Quartz and Feldspar with CaCO3 or SiO2 cement)
sedimentary
Gneiss (with Granite/Pegmatite Vein)
Foliated Metamorphic Rock (Quartz-Feldspar Gneiss)
metamorphic
Sandstone Concretion
Clastic Sedimentary Rock - Quartz Arenite / Sandstone
sedimentary
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in a Geode
mineral
Almandine Garnet in Schist
Almandine, Fe3Al2(SiO4)3
metamorphic
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
sedimentary
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
mineral
Agate
Agate (Silicon Dioxide - SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) mixture
mineral
Conglomerate
Conglomerate rock
sedimentary