Schist
Mica Schist (primarily consisting of muscovite, biotite, and quartz)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Schist
Mica Schist (primarily consisting of muscovite, biotite, and quartz)
Quartzite
Quartzite (Primary mineral: SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 dominated)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 impurities)
Sandstone (Quartz Arenite)
Sandstone (SiO2 with possible mineral cements)
Sandstone (Quartzose Sandstone)
Arenite (SiO2 primarily)
Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Sandstone
Arenite (primarily SiO2)
Red Moss Agate (Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Sandstone with Manganese Dendrites/Oxide coatings
Arenite with Pyrolusite and Romanechite (MnO2)
Peridotite (Dunite)
Peridotite (mostly Olivine: (Mg,Fe)2SiO4)
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg, Fe)3Si2O5(OH)4
Jasper with Dendritic Inclusions
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Galena
Galena (Lead Sulfide), PbS
Ferruginous Sandstone (with possible Epidote/Chlorite coloring)
Sandstone (SiO2 dominated with Fe2O3 staining)
Blue Moss Agate
Silicon Dioxide (SiO2) with mineral inclusions
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (with Limonite staining)
Arenite (primarily SiO2 with FeO(OH)·nH2O)
Pink Granite
Phaneritic intrusive igneous rock (Felsic)
Sandstone (with Limonite staining)
Arenite (FeOx-rich)
Porphyritic Basalt (with Pyrolusite or Iron-oxide staining)
Porphyritic Basalt (Mafic Extrusive)
Limestone
Calcium Carbonate (CaCO3)
Granite (Weathered)
Granite (Felsic Plutonic Rock)
Granite
Phaneritic Felsic Intrusive Igneous Rock
Vesicular Basalt
Vesicular Basalt (Aphanitic Mafic Rock)
Granite Pebble (Salt and Pepper Granite)
Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Biotite/Amphibole)
Chert (specifically Flint or Common Chert)
Chert (Cryptocrystalline Silica, SiO2)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in Geode form
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Ferruginous)
Sandstone (Clastic sedimentary rock, predominantly SiO2 with Fe2O3 cement)
Sandstone Beach Pebble
Clastic sedimentary rock (SiO2 with iron oxide cement)
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)
Cubic Zirconia (Simulated Diamond)
Zirconium dioxide (ZrO2)