Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Category
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Sandstone with Liesegang Rings
Arenite with Iron Oxide Concretions
Limestone
Calcium Carbonate (CaCO3)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Sandstone with Foliose Lichen
Arenite (Rock matrix) with Xanthoparmelia or Flavoparmelia (Lichen genus)
Sandstone
Arenite (composed primarily of Quartz: SiO2)
Sandstone (specifically an Iron-Concretion)
Arenite with Iron Oxide (Limonite/Goethite) cementation
Basalt
Basalt
Sandstone (Flagstone)
Arenite (composed primarily of SiO2)
Sandstone (River Rock)
Arenite (SiO2 principal component)
Sandstone
Arenite (SiO2 based)
Sandstone (with banding)
Arenite (primarily SiO2)
Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
Sandstone
Arenite (primarily SiO2)
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
Grey River Pebble (Likely Quartz-rich or Limestone)
Clastic Sedimentary Rock (typically SiO2 or CaCO3 based)
Sandstone with Iron Oxide Staining
Arenite with Limonite/Hematite alteration
Sandstone (Quartzose Pebble)
Clastic Sedimentary Rock (Litharenite/Quartz arenite)
Sandstone (Ferruginous)
Arenite (SiO2 with Iron Oxide impurities)
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
Concretion (Sandstone)
Sandstone Concretion
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Tumbled Carnelian and Quartz Mix
Silicon Dioxide (SiO2) with iron oxide impurities
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Carnelian (Carnelian Agate)
Silicon dioxide (SiO2) - a variety of Chalcedony
Quartz Geode (partially opened)
Silicon Dioxide (SiO2) with iron staining
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Sandstone (Quartz-rich)
Arenite (SiO2 based clastic rock)
Sandstone
Arenite (primarily Quartz Sandstone with Iron Oxide)
Jasper or Chalcedony
Microcrystalline Quartz (SiO2)
Ferruginous Sandstone (Ironstone)
Sedimentary rock with Limonite/Goethite cement
Banded Chert
Silicon Dioxide (SiO2)
Sandstone
Arenite
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartzose)
Arenite (SiO2 principal)
Chert (Gray Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Nodule)
Chert (Silica, SiO2)
Chert (also known as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Chert / Flint)
Silicon dioxide (SiO2) - Microcrystalline quartz