Quartz Druzy
Silicon Dioxide (SiO2)
Category
Browse sedimentary (man made) specimens identified by the Rock Identifier community.
Quartz Druzy
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chalcedony (specifically Agate or Moonstone-like Quartz)
Silicon Dioxide (SiO2)
Fluorite (Green Fluorite)
Calcium Fluoride (CaF2)
Zebra Jasper
Silicon Dioxide (SiO2) with inclusions
Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Halite (Rock Salt)
Halite (NaCl)
Quartzite
Quartzite (chiefly SiO2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Sandstone (SiO2 dominated clastic sedimentary rock)
Red Sandstone
Quartz Arenite (with Iron Oxide)
Ironstone (with Limonite/Goethite)
Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O and Hematite Fe2O3)
Chert (Nodule)
Cryptocrystalline Quartz (SiO2)
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Flint Pebbles)
Microcrystalline Quartz (SiO2)
Fossilized Coral (Petoskey Stone or Rugose Coral)
Antophyllum (Hexagonaria) or Scleractinia (CaCO3)
Green Moss Agate
Silicon Dioxide with inclusions (SiO2)
Quartzite
Metamorphic Quartzite (SiO2)
Fossilized Gastropod in Limestone
Gastropoda (Class) in Fossiliferous Limestone
Sandstone
Arenite (SiO2 based)
Red Sandstone
Arenite (with iron oxide cement)
Sandstone (with Possible Iron Staining/Crust)
Arenite (SiO2 based)
Pink Feldspar
Potassium Feldspar (Microcline or Orthoclase), KAlSi3O8
Calcite
Calcium Carbonate (CaCO3)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2) matrix
Hematite
Iron(III) oxide (Fe2O3)
Clear Quartz
Silicon Dioxide (SiO2)
Shale (possibly Carbonaceous or Oil Shale)
Argillaceous Sedimentary Rock
Quartz pebble
Silicon dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (Quartz arenite / Arkose)
Sand
Siliciclastic sediment / Quartz sand (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 composed primarily of quartz)