Sandstone
Arenite (composed primarily of SiO2)
Category
Browse industrial byproduct (anthropogenic rock like material) specimens identified by the Rock Identifier community.
Sandstone
Arenite (composed primarily of SiO2)
Schist
Mica Schist
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Banded)
Clastic Sedimentary Rock: Arenite
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based with primary clasts 0.0625 to 2 mm)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Greywacke/Siltstone variant)
Clastic Sedimentary Rock (composed primarily of Quartz SiO2 and Feldspar)
Quartzite (River Stone)
Quartzite (SiO2)
Grey Agate (Tumbled)
Silicon Dioxide (SiO2)
Scoria (Basaltic)
Vesicular Basalt
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Talc
Talc (Mg₃Si₄O₁₀(OH)₂)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
Sandstone (likely Quartzose Sandstone pebble)
Arenite (primarily SiO2)
Pumice
Pumice (a highly vesicular volcanic glass)
Sandstone
Arenite (SiO2 primarily)
Yellow Quartzite Pebble
Quartzite (SiO2)
Ferruginous Sandstone (Ironstone)
Clastic sedimentary rock (SiO2 with Fe2O3/FeO(OH) cement)
Diamond
Diamond (C)
Sandstone
Arenite
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Chert / Jasper
Sedimentary Cryptocrystalline Quartz (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 based with mineral cement)
Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Chert (Chocolate or Brown Flint)
Chert (SiO2)
Pumice
Pumice (Vesicular Felsic Glass)
Red Sandstone
Arenite (primarily Quartz with Iron Oxide coating)
Sandstone
Arenite (primarily Quartz Arenite)
Geode (unopened)
Chert / Chalcedony Geode (SiO2)
Sandstone
Arenite
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Granite (Dioritic variant)
Granite (Phaneritic Igneous Rock)
Sandstone (likely Quartz Sandstone)
Arenite (SiO2 based)
Unknown Organic Object (likely a berry or fruit)
Not applicable; this is not a geological specimen. If it were a cranberry, its scientific name would be Vaccinium macrocarpon; if a cherry, it would be Prunus avium or Prunus cerasus.