Green Jasper
Silicon Dioxide (SiO2) with impurities
Category
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Green Jasper
Silicon Dioxide (SiO2) with impurities
Geode Nodules / Keokuk Geode
Quartz / Chalcedony Geode (SiO2)
Sedimentary Breccia
Clastic Breccia (CaCO3/SiO2 matrix)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Sedimentary or Igneous Matrix
Sandstone
Arenicola (comprising mostly Quartz, SiO2)
Ferruginous Sandstone
Arenite with Iron-Oxide Cement
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Ironstone Concretion
Siderite or Ferruginous Concretion (FeCO3 or Iron Oxides)
Quartz Geode
Silicon Dioxide (SiO2)
Druzy Quartz Geode (Vug)
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartzite Geode or Crystalline Quartz Node
Silicon Dioxide (SiO2)
Quartz Geode (Cracked Open)
Quartz (Silicon Dioxide - SiO2)
Gneiss
Gneiss
Concretion
Septarian or Siderite Concretion
Chert (Yellow/Tan Variety)
Chert (SiO2)
Sandstone (Quartzose Sandstone)
Arenite (SiO2 principal component)
Sandstone
Arenite (SiO2 primarily)
Red Jasper
Silicon Dioxide (SiO2 with Hematite impurities)
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble with Host Rock / Schist Matrix
Silicon Dioxide (SiO2) with Metamorphic Host Rock
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
Almandine Garnet in Schist
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist
Yellow Jasper
Microcrystalline Quartz (SiO2)
Amethyst Geode
Silicon Dioxide (SiO2) with iron impurities
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Pyrite (on host rock)
Iron Sulfide (FeS2)
Sandstone with Iron Staining
Arenite (SiO2 with Fe2O3)
Sandstone (with Iron Oxidation)
Arenite (SiO2 with Fe-oxides)
Wonderstone Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Ironstone Concretion (Coprolite-like)
Goethite/Hematite Siderite Spheroid (FeCO3 or FeO(OH))
Quartz (Druzy/Macro-crystalline)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 primarily)
Quartz Geode
Silicon Dioxide (SiO2)
Breccia Pebble
Sedimentary Breccia
Quartz (Druzy Quartz)
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartz-rich)
Arenite (composed primarily of SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Flint
Silicon dioxide (SiO2)
Conglomerate (or Breccia)
Clastic Sedimentary Rock (Conglomeratic)