Quartz Geode
Silicon Dioxide (SiO2) within a geode
Category
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Quartz Geode
Silicon Dioxide (SiO2) within a geode
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Concretion in Shale
Siltstone/Shale with Siderite or Calcareous concretions
Sandstone with Concretions / Liesegang Rings
Arenite with iron oxide banding
Cannonball Concretion
Calcite-cemented Sandstone Concretion
Gneiss
Gneiss (Metamorphic Rock)
Agate Geode
Silicon Dioxide (Chalcedony/Quartz), SiO2
Fluorite Geode
Calcium Fluoride (CaF2)
Quartz Geode
Silicon Dioxide (SiO2) within Sedimentary or Igneous host
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Yellow Ocher (Iron-rich Silt/Clay)
Goethite-rich Limonite (FeO(OH)qnH2O)
Quartz in Matrix
Silicon Dioxide (SiO2) in host rock matrix
Sandstone (Wonderstone)
Clastic Sedimentary Rock (primarily SiO2)
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
Shale
Shale (clastic sedimentary rock)
Sandstone with Iron Banding
Arenite with Hematite or Limonite staining (SiO2 with Fe2O3)
Conglomerate
Conglomerate Rock
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2) with various iron-oxide inclusions
Sandstone (with Iron Staining)
Arenite
Quartz Geode
Silicon Dioxide (SiO2)
Banded Sandstone Peabble
Arenite with iron oxide banding
Brown Sandstone
Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)
Quartz Druze
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) oxides)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 oxides)
Sandstone (likely Arkose or Lithic)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (SiO2 primarily)
Druzy Quartz on Chert/Siltstone
Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix
Sandstone
Arenite (Sedimentary Rock)
Quartz Vein in Host Rock
Silicon dioxide (SiO2) veining in silicate matrix
Quartz Geode/Vug in Host Rock
SiO2 (Silicon Dioxide) in various host rocks
Sandstone (Iron-stained)
Arenite with Limonite/Hematite staining
Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
Sandstone (with potential fossil inclusions)
Clastic sedimentary rock (primarily SiO2)
Geode with Iron-Stained Quartz/Calcite
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) in Sedimentary Matrix
Sandstone (Calcareous/Lithic)
Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)
Quartz Geode
Silicon Dioxide (SiO2)
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Chalcedony (Yellow Agate / Carnelian Chalcedony)
Silicon Dioxide (SiO2)