Red Jasper (nodule)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Red Jasper (nodule)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with impure Iron oxides
Yellow Jasper
Silicon Dioxide (SiO2) with iron impurities
Banded Iron Formation (BIF)
Banded Iron Formation (SiO2 + Fe2O3/Fe3O4)
Black Jasper
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide impurities, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Turritella Agate (Fossiliferous Chert)
Silicified Elimia tenera (Fossiliferous Chalcedony)
Travertine (Calcareous Tufa)
Calcium Carbonate (CaCO3)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Ocean Jasper
Orbicular Jasper (Silicon Dioxide SiO2)
Granite
Granite (a plutonic igneous rock composed of quartz, feldspar, and mica)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Ocean Jasper
Orbicular Jasper (varietal of SiO2 with impurities)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
Dendritic Agate / Moss Agate
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Chert (Flint)
Silicon Dioxide (SiO2)
Wishing Stone (Basalt or Mudstone with Quartz/Calcite Veins)
Hydrothermally veined Basalt (SiO2/CaCO3 intrusions)
Quartz (specifically Milky Quartz/Quartzite)
Silicon Dioxide (SiO2)
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
Sandstone
Arenite (composed primarily of SiO2)
Yellow Quartz (Iron-stained Quartz)
Quartz (Silicon Dioxide, SiO2) with Hematite/Limonite impurities
Jasper with Agate Inclusions
Jasper (Silicon Dioxide, SiO2) with Chalcedony/Agate
Travertine
Terrestrial Sedimentary Rock (Calcium Carbonate, CaCO3)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Sandstone (likely Ferruginous)
Arenite (SiO2 based with Fe2O3/FeO(OH) cement)
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (with Lichen)
Arenite (primarily SiO2)
Sandstone (Quartzite-rich Pebble)
Arenite (primarily SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Calcareous sedimentary rock (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Quartz (specifically Milky/White Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky or Clear variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)