Sandstone
Arenite (Sedimentary rock)
sedimentary
Category
Man Made Rock (Sedimentary Analogue)
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Learn about Man Made Rock (Sedimentary Analogue) in the encyclopedia
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Shale or Siltstone
Fine-grained siliciclastic sedimentary rock
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide (Limonite/Hematite) coating
sedimentary
Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone)
Silicified limestone or banded sedimentary rock with mineral veins
sedimentary
Sandstone
Sedimentary Rock (Quartz Sandstone)
sedimentary
Sandstone
Sedimentary rock composed mainly of quartz sand
sedimentary
River Pebble (Siltstone / Fine Sandstone)
Sedimentary Rock (siliciclastic clastic rock)
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sea Glass
Amorphous Silica (Glass) SiO2
Mineraloid (Man-made origin)
Synthetic Costume Accessory (Non-Geological)
Polyester and Acrylic Fiber (Anthropogenic polymer)
Synthetic / Man-made textile
Sea Glass (Cobalt Blue)
Amorphous Silica (Glass with Cobalt additives)
Anthropogenic specimen (man-made)
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)
Synthetic (Man-made Glass)
Porcelain (Kaolin-based)
Alumina silicate ceramic (composed primarily of Kaolinite: Al2Si2O5(OH)4)
metamorphic (man-made/engineered)
Blue Slag Glass
Ferro-silicate glass (Slag)
igneous (man-made/industrial)
Rounded quartz-rich pebble
Chert or quartzite pebble (tentative; mostly microcrystalline quartz, SiO₂)
sedimentary
Petrified Wood
Silicified wood (primarily quartz, SiO2)
fossil
Fossil Coral
Rugose Coral or Tabulate Coral (Phylum Cnidaria)
fossil
Fossilized Bark
Lepidodendron / Sigillaria fossil impression
fossil
Banded Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
Bivalve Fossil (Clam Shell)
Class Bivalvia
fossil
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Gravel / Small Pebble
Rock Fragment (Gravel)
sedimentary
Sandstone (Weathered Fragment)
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Red Sandstone
Sedimentary Arenite / Quartzose Sandstone
sedimentary
Sandstone with Quartz Sphere
Arenite (SiO2-rich sedimentary rock) with Quartzite/Rose Quartz sphere
sedimentary
Sandstone
Clastic sedimentary rock
sedimentary
Sandstone (Quartzite-rich)
Clastic sedimentary rock (SiO2 primary)
sedimentary
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Geode with Quartz and possibly Jasper/Hematite
Quartz (SiO2) and Chalcedony (cryptocrystalline SiO2), possibly stained by iron oxides
Mineral/Sedimentary Geode
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Sandstone
Clastic sedimentary rock (primarily quartz arenite)
sedimentary
Dalmatian Jasper / Dalmatian Stone
Peralkaline Rock (Silicon Dioxide with Amphibole inclusions)
igneous
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Clastic Sedimentary Rock (composed mostly of SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
sedimentary
Shale
Fissile mudstone (rich in clay minerals and quartz)
sedimentary
Banded Slate
Slate (Metamorphosed Siltstone/Mudstone)
metamorphic
Sandstone (Wonderstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Fossilized Brachiopod
Brachiopoda (Phylum)
fossil
Chert or Flint
Silicon dioxide (SiO2)
sedimentary