Quartz Druzy Geode
Silicon Dioxide (SiO2) - Crystalline Variety
mineral
Category
Sedimentary Rock (Metamorphosed)
Browse sedimentary rock (metamorphosed) specimens identified by the Rock Identifier community.
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Sandstone (River Rock)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Grey Limestone Pebble
Limestone (Calcium Carbonate - CaCO3)
sedimentary
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
mineral
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Sandstone (Fossiliferous)
Arenite / Clastic Sedimentary Rock
sedimentary
Sandstone (likely Calcareous or Quartz-rich)
Arenite (SiO2 based typically)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Weathered Pebble)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (likely Fossiliferous Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Quartz Geode
Quartz (Silicon Dioxide - SiO2) within a Chalcedony and Limonite shell
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Water-worn Pebble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Hematite
Iron(III) oxide (Fe2O3)
mineral
Limestone with Algal/Lichen Colonization
Calcium Carbonate (CaCO3)
sedimentary
Chert / River Pebble
Silicon Dioxide (SiO2)
sedimentary
Sandstone (Pebble)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone (likely Red/Brown Sandstone)
Arenite (SiO2 based)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) in Geode form
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Travertine
Terrestrial Sedimentary Rock (CaCO3)
sedimentary
Arkosic Sandstone
Arkose (Clastic Sedimentary Rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Crushed Limestone
Sedimentary Carbonate Rock (CaCO3)
sedimentary
Limestone
Calcareous Sedimentary Rock (CaCO3)
sedimentary
Sandstone (Pebble/Conglomerate fragment)
Sandstone (clastic sedimentary rock)
Sedimentary Rock