Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Category
Browse man made material (anthro lithic product) specimens identified by the Rock Identifier community.
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Kyanite
Kyanite (Al2SiO5)
Diamond
Cubic Carbon (C)
Petrified Wood
Silicified Wood (SiO2)
Chert / Flint (with quartz or calcite inclusion)
Silicon dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Ironstone Concretion / Limonite Node
Ferruginous Sedimentary Rock (composed primarily of Limonite FeO(OH)·nH2O and Goethite)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Mica Schist
Mica Schist (Complex Silicate Rock)
Red Sandstone
Arenite (ferruginous sandstone)
Blue Kyanite
Kyanite (Al2SiO5)
Sandstone (Water-worn Pebble)
Clastic Sedimentary Rock (primarily SiO2)
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Jasper (Mookaite style)
Silicon Dioxide (SiO2) with iron and manganese inclusions
Diamond (Green tinted)
Carbon (C) with trace impurities or lattice defects
Siltstone/Sandstone (possibly Wonderstone or Picture Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide inclusions)
Quartz with Mica/Chlorite inclusions
Silicon Dioxide (SiO2) with phyllosilicate inclusions
Limestone
Calcium Carbonate (CaCO3)
Rhodonite
Rhodonite (MnSiO3)
Granite with Epidote
Granite, containing quartz, feldspar, and epidote
Petrified Wood
Silicified Wood (SiO2)
Petrified Wood
Silicified Wood (primarily Quartz / Chalcedony: SiO2)
Granite
Felsic Plutonic Rock (primarily SiO2)
Quartzite (River Pebble)
Metamorphosed Quartz-rich Sandstone (SiO2)
Quartzite
Quartzite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Yellow Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Sandstone (Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Serpentinite
Serpentinite (Mg, Fe, Ni)₃Si₂O―(OH)₄
Quartzite
Quartzite (primarily SiO2)
Banded Iron Formation (BIF)
Banded Iron Formation
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Petrified Wood
Silicified Wood (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Granite
Plutonic felsic igneous rock
Granite
Granite (Felsic Plutonic Rock)
Quartzite
Quartzite (primarily SiO2)