Sandstone
Arenite (primarily SiO2)
Category
Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.
Sandstone
Arenite (primarily SiO2)
Rough Diamond
Diamond (pure carbon, C)
Epidote in Quartz
Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)
Sandstone (specifically Banded Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Ferruginous)
Arenite (Fe2O3 rich)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Iron-stained Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Olivine
Olivine group (Mg, Fe)2SiO4
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Labradorite
Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8
Jasper
Silicon dioxide (SiO2)
Quartz (Druzy or Crystalline variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chevron Amethyst
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Silicon Dioxide (SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Petrified Wood
Silicified wood (Quartz/Chalcedony - SiO2)
Chert (Iron-stained)
Chert (Microcrystalline Quartz, SiO2)
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Chalcedony (Agate)
Silicon Dioxide (SiO2)
Lava Rock (Basalt)
Basalt (extrusive igneous rock)
Piddock bored rock (likely Mudstone or Shale)
Ichnofossil (Gastrochaenolites borings) in Fine-grained Sedimentary Rock
Ferruginous Quartz Cobble
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Uraninite (Pitchblende)
Uranium dioxide (UO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Wonderstone)
Arenite (composed primarily of SiO2 with Fe2O3 impurities)
Malachite
Malachite (Cu2(CO3)(OH)2 - a copper carbonate hydroxide mineral)
Tufa (Vesicular Limestone)
Tufa (form of Calcium Carbonate, CaCO3)
Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
Diamond
Diamond (C)
Diamond
Carbon (C)
Sandstone (likely Red/Brown Sandstone)
Arenite (SiO2 based)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Amygdaloidal Basalt
Amygdaloidal Basalt containing Zeolite or Quartz (SiO2/Silicates)
Granite (Pink/Potassium Feldspar Granite)
Felsic Plutonic Rock (Potassium Feldspar, Quartz, Mica, and Amphibole)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (Lithic Sandstone)
Biotite Schist
Biotite Schist
Travertine (Calcareous Tufa)
Calcium Carbonate (CaCO3)