Sandstone pebble
Sandstone (mainly Quartz, SiO2)
sedimentary
Category
Sedimentary (Synthetic)
Browse sedimentary (synthetic) specimens identified by the Rock Identifier community.
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Sandstone
Arenite
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Chert Breccia
Brecciated Chert (Microcrystalline Silica)
sedimentary
Sandstone (with man-made markings)
Arenite (composed primarily of Quartz, SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily quartz arenite)
sedimentary
Fossil Assortment and Geological Specimens
Various (including Ammonoidea)
fossil
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
sedimentary
Conglomerate (Quartz Pebble Conglomerate)
Quartz Pebble Conglomerate
sedimentary
Sandstone or Mudstone
Sedimentary Rock
sedimentary
Shale / Mudstone
Laminated Mudrock (Siliciclastic Sedimentary Rock)
sedimentary
Shale (Beach-worn)
Laminated Pelite (primarily clay minerals and quartz)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone (Quartz-rich)
Arenite (SiO2)
sedimentary
Siltstone Pebble with Veining
Siltstone
sedimentary
Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)
N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)
Organic (if resin) or Synthetic (if glass); simulating Sedimentary or Metamorphic (for natural stones)
Sandstone (Ferruginous)
Clastic sedimentary rock (SiO2 with Fe2O3)
sedimentary
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Mudstone
Lutylite (group of fine-grained sedimentary rocks)
sedimentary
Sandstone
Arenite
sedimentary
Red Sandstone or Brick Fragment
Arenite (if sandstone)
sedimentary
Sandstone (Garden Boulder)
Sandstone (SiO2 dominated)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
sedimentary
Sandstone (Quartzite-rich)
Clastic sedimentary rock (SiO2 primary)
sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary
Red Sandstone Pebble
Sedimentary Quartz Arenite / Arkose
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Magnetite or Ironstone Nodule
Magnetite (Fe3O4) or Hematite-rich Sedimentary Nodule
mineral
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Synthetic material (Not a natural rock/mineral)
Gastly (Trick or Trade Halloween Series)
Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)
Mineral (Synthetic - Paper and Ink Polymorph)
Hand-Drawn Trading Card (Amateur Artwork)
Cellulose-based substrate with wax/graphite/ink deposit (n/a for minerals)
Organic/Synthetic Composite (Paper and Pigment)
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Siltstone or Mudstone
Siltstone (composed primarily of silt-sized particles)
sedimentary
Sandstone (Picture Sandstone)
Arenite (primarily SiO2)
sedimentary
Sandstone
Sandstone ( преимущественно SiO2 )
sedimentary
Shale
Laminated Mudstone (Shale)
sedimentary
Sandstone
Arenite
sedimentary
Shale
Shale (Fine-grained clastic sedimentary rock)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Shale
Shale (Consolidated fine-grained clay/silt)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 dominant)
sedimentary