Quartz Geode
Silicon Dioxide (SiO2)
Category
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Quartz Geode
Silicon Dioxide (SiO2)
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
Fluorite Geode
Calcium Fluoride (CaF2)
Concretion in Shale
Siltstone/Shale with Siderite or Calcareous concretions
Sandstone Cobble with Iron Staining
Arenite with Limonite/Hematite staining
Herkimer Diamond
Quartz (Silica - SiO2)
Yellow Ocher (Iron-rich Silt/Clay)
Goethite-rich Limonite (FeO(OH)qnH2O)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 oxides)
Sandstone
Arenite (primarily SiO2)
Quartz in Matrix
Silicon Dioxide (SiO2) in host rock matrix
Conglomerate
Conglomerate Rock
Agate Geode
Silicon Dioxide (Chalcedony/Quartz), SiO2
Cannonball Concretion
Calcite-cemented Sandstone Concretion
Sandstone
Arenite (Sedimentary Rock)
Banded Metamorphic Rock
Gneiss or Schist
Sandstone with Concretions / Liesegang Rings
Arenite with iron oxide banding
Sandstone (with Iron Staining)
Arenite
Shale
Shale (clastic sedimentary rock)
Conglomerate / Breccia Matrix (Aggregated Rock)
Sedimentary Breccia / Conglomerate
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Quartz Druze
Silicon Dioxide (SiO2)
Sandstone Concretion
Sandstone (Sedimentary Rock) with silica or calcite cement
Sandstone (Wonderstone)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Arenite (Siliclastic sedimentary rock)
Quartz Geode
Silicon Dioxide (SiO2)
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2) with various iron-oxide inclusions
Brown Sandstone
Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)
Sandstone (likely Arkose or Lithic)
Clastic sedimentary rock (primarily SiO2)
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
Banded Sandstone Peabble
Arenite with iron oxide banding
Sandstone
Clastic sedimentary rock (Arenite)
Sandstone with Iron Banding
Arenite with Hematite or Limonite staining (SiO2 with Fe2O3)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartz-rich)
Arenite (SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone (with potential fossil inclusions)
Clastic sedimentary rock (primarily SiO2)
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Quartz Geode/Vug in Host Rock
SiO2 (Silicon Dioxide) in various host rocks
Sandstone (Calcareous/Lithic)
Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)
Sandstone (with Iron Staining)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) oxides)
Quartz Geode
Crystalline Quartz (SiO2) within a sedimentary/igneous host